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<?php
/**
* Simulates a full DokuWiki HTTP Request and allows
* runtime inspection.
*/
// output buffering
$output_buffer = '';
function ob_start_callback($buffer) {
global $output_buffer;
$output_buffer .= $buffer;
}
/**
* Helper class to execute a fake request
*/
class TestRequest {
private $valid_scripts = array('/doku.php', '/lib/exe/fetch.php', '/lib/exe/detail.php');
private $script;
private $server = array();
private $session = array();
private $get = array();
private $post = array();
public function getServer($key) { return $this->server[$key]; }
public function getSession($key) { return $this->session[$key]; }
public function getGet($key) { return $this->get[$key]; }
public function getPost($key) { return $this->post[$key]; }
public function getScript() { return $this->script; }
public function setServer($key, $value) { $this->server[$key] = $value; }
public function setSession($key, $value) { $this->session[$key] = $value; }
public function setGet($key, $value) { $this->get[$key] = $value; }
public function setPost($key, $value) { $this->post[$key] = $value; }
/**
* Executes the request
*
* @param string $url end URL to simulate, needs to start with /doku.php currently
* @return TestResponse the resulting output of the request
*/
public function execute($uri='/doku.php') {
global $INPUT;
// save old environment
$server = $_SERVER;
$session = $_SESSION;
$get = $_GET;
$post = $_POST;
$request = $_REQUEST;
$input = $INPUT;
// prepare the right URI
$this->setUri($uri);
// import all defined globals into the function scope
foreach(array_keys($GLOBALS) as $glb){
global $$glb;
}
// fake environment
global $default_server_vars;
$_SERVER = array_merge($default_server_vars, $this->server);
$_SESSION = $this->session;
$_GET = $this->get;
$_POST = $this->post;
$_REQUEST = array_merge($_GET, $_POST);
// reset output buffer
global $output_buffer;
$output_buffer = '';
// now execute dokuwiki and grep the output
header_remove();
ob_start('ob_start_callback');
$INPUT = new Input();
include(DOKU_INC.$this->script);
ob_end_flush();
// create the response object
$response = new TestResponse(
$output_buffer,
(function_exists('xdebug_get_headers') ? xdebug_get_headers() : headers_list()) // cli sapi doesn't do headers, prefer xdebug_get_headers() which works under cli
);
// reset environment
$_SERVER = $server;
$_SESSION = $session;
$_GET = $get;
$_POST = $post;
$_REQUEST = $request;
$INPUT = $input;
return $response;
}
/**
* Set the virtual URI the request works against
*
* This parses the given URI and sets any contained GET variables
* but will not overwrite any previously set ones (eg. set via setGet()).
*
* It initializes the $_SERVER['REQUEST_URI'] and $_SERVER['QUERY_STRING']
* with all set GET variables.
*
* @param string $url end URL to simulate, needs to start with /doku.php currently
* @todo make this work with other end points
*/
protected function setUri($uri){
if(!preg_match('#^('.join('|',$this->valid_scripts).')#',$uri)){
throw new Exception("$uri \n--- only ".join(', ',$this->valid_scripts)." are supported currently");
}
$params = array();
list($uri, $query) = explode('?',$uri,2);
if($query) parse_str($query, $params);
$this->script = substr($uri,1);
$this->get = array_merge($params, $this->get);
if(count($this->get)){
$query = '?'.http_build_query($this->get, '', '&');
$query = str_replace(
array('%3A', '%5B', '%5D'),
array(':', '[', ']'),
$query
);
$uri = $uri.$query;
}
$this->setServer('QUERY_STRING', $query);
$this->setServer('REQUEST_URI', $uri);
}
/**
* Simulate a POST request with the given variables
*
* @param array $post all the POST parameters to use
* @param string $url end URL to simulate, needs to start with /doku.php, /lib/exe/fetch.php or /lib/exe/detail.php currently
* @param return TestResponse
*/
public function post($post=array(), $uri='/doku.php') {
$this->post = array_merge($this->post, $post);
$this->setServer('REQUEST_METHOD', 'POST');
return $this->execute($uri);
}
/**
* Simulate a GET request with the given variables
*
* @param array $GET all the GET parameters to use
* @param string $url end URL to simulate, needs to start with /doku.php, /lib/exe/fetch.php or /lib/exe/detail.php currently
* @param return TestResponse
*/
public function get($get=array(), $uri='/doku.php') {
$this->get = array_merge($this->get, $get);
$this->setServer('REQUEST_METHOD', 'GET');
return $this->execute($uri);
}
}
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