Merge pull request #5068 from owncloud/improved_request

Improved request
This commit is contained in:
Bart Visscher 2013-10-04 09:05:20 -07:00
commit bae121b16d
6 changed files with 351 additions and 47 deletions

View file

@ -31,6 +31,8 @@ use OCP\IRequest;
class Request implements \ArrayAccess, \Countable, IRequest {
protected $inputStream;
protected $content;
protected $items = array();
protected $allowedKeys = array(
'get',
@ -40,17 +42,15 @@ class Request implements \ArrayAccess, \Countable, IRequest {
'env',
'cookies',
'urlParams',
'params',
'parameters',
'method'
);
/**
* @param array $vars An associative array with the following optional values:
* @param array 'params' the parsed json array
* @param array 'urlParams' the parameters which were matched from the URL
* @param array 'get' the $_GET array
* @param array 'post' the $_POST array
* @param array|string 'post' the $_POST array or JSON string
* @param array 'files' the $_FILES array
* @param array 'server' the $_SERVER array
* @param array 'env' the $_ENV array
@ -62,13 +62,27 @@ class Request implements \ArrayAccess, \Countable, IRequest {
public function __construct(array $vars=array()) {
foreach($this->allowedKeys as $name) {
$this->items[$name] = isset($vars[$name])
$this->items[$name] = isset($vars[$name])
? $vars[$name]
: array();
}
if (defined('PHPUNIT_RUN') && PHPUNIT_RUN
&& in_array('fakeinput', stream_get_wrappers())) {
$this->inputStream = 'fakeinput://data';
} else {
$this->inputStream = 'php://input';
}
// Only 'application/x-www-form-urlencoded' requests are automatically
// transformed by PHP, 'application/json' must be decoded manually.
if ($this->method === 'POST'
&& strpos($this->getHeader('Content-Type'), 'application/json') !== false
) {
$this->items['params'] = $this->items['post'] = json_decode(file_get_contents($this->inputStream), true);
}
$this->items['parameters'] = array_merge(
$this->items['params'],
$this->items['get'],
$this->items['post'],
$this->items['urlParams']
@ -141,17 +155,22 @@ class Request implements \ArrayAccess, \Countable, IRequest {
* $request->myvar; or $request->{'myvar'}; or $request->{$myvar}
* Looks in the combined GET, POST and urlParams array.
*
* if($request->method !== 'POST') {
* throw new Exception('This function can only be invoked using POST');
* }
* If you access e.g. ->post but the current HTTP request method
* is GET a \LogicException will be thrown.
*
* @param string $name The key to look for.
* @throws \LogicException
* @return mixed|null
*/
public function __get($name) {
switch($name) {
case 'put':
case 'patch':
case 'get':
case 'post':
if($this->method !== strtoupper($name)) {
throw new \LogicException(sprintf('%s cannot be accessed in a %s request.', $name, $this->method));
}
case 'files':
case 'server':
case 'env':
@ -159,9 +178,13 @@ class Request implements \ArrayAccess, \Countable, IRequest {
case 'parameters':
case 'params':
case 'urlParams':
return isset($this->items[$name])
? $this->items[$name]
: null;
if(in_array($name, array('put', 'patch'))) {
return $this->getContent($name);
} else {
return isset($this->items[$name])
? $this->items[$name]
: null;
}
break;
case 'method':
return $this->items['method'];
@ -280,28 +303,55 @@ class Request implements \ArrayAccess, \Countable, IRequest {
/**
* Returns the request body content.
*
* @param Boolean $asResource If true, a resource will be returned
* If the HTTP request method is PUT and the body
* not application/x-www-form-urlencoded or application/json a stream
* resource is returned, otherwise an array.
*
* @return string|resource The request body content or a resource to read the body stream.
* @return array|string|resource The request body content or a resource to read the body stream.
*
* @throws \LogicException
*/
function getContent($asResource = false) {
return null;
// if (false === $this->content || (true === $asResource && null !== $this->content)) {
// throw new \LogicException('getContent() can only be called once when using the resource return type.');
// }
//
// if (true === $asResource) {
// $this->content = false;
//
// return fopen('php://input', 'rb');
// }
//
// if (null === $this->content) {
// $this->content = file_get_contents('php://input');
// }
//
// return $this->content;
protected function getContent() {
if ($this->content === false && $this->method === 'PUT') {
throw new \LogicException(
'"put" can only be accessed once if not '
. 'application/x-www-form-urlencoded or application/json.'
);
}
// If the content can't be parsed into an array then return a stream resource.
if ($this->method === 'PUT'
&& strpos($this->getHeader('Content-Type'), 'application/x-www-form-urlencoded') === false
&& strpos($this->getHeader('Content-Type'), 'application/json') === false
) {
$this->content = false;
return fopen($this->inputStream, 'rb');
}
if (is_null($this->content)) {
$this->content = file_get_contents($this->inputStream);
/*
* Normal jquery ajax requests are sent as application/x-www-form-urlencoded
* and in $_GET and $_POST PHP transformes the data into an array.
* The first condition mimics this.
* The second condition allows for sending raw application/json data while
* still getting the result as an array.
*
*/
if (strpos($this->getHeader('Content-Type'), 'application/x-www-form-urlencoded') !== false) {
parse_str($this->content, $content);
if(is_array($content)) {
$this->content = $content;
}
} elseif (strpos($this->getHeader('Content-Type'), 'application/json') !== false) {
$content = json_decode($this->content, true);
if(is_array($content)) {
$this->content = $content;
}
}
}
return $this->content;
}
}

View file

@ -51,6 +51,14 @@ class OC_Route extends Route {
return $this;
}
/**
* Specify PATCH as the method to use with this route
*/
public function patch() {
$this->method('PATCH');
return $this;
}
/**
* Defaults to use for this route
*

View file

@ -22,14 +22,6 @@ class Server extends SimpleContainer implements IServerContainer {
return new ContactsManager();
});
$this->registerService('Request', function($c) {
$params = array();
// we json decode the body only in case of content type json
if (isset($_SERVER['CONTENT_TYPE']) && stripos($_SERVER['CONTENT_TYPE'],'json') !== false ) {
$params = json_decode(file_get_contents('php://input'), true);
$params = is_array($params) ? $params: array();
}
return new Request(
array(
'get' => $_GET,
@ -41,7 +33,6 @@ class Server extends SimpleContainer implements IServerContainer {
'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
? $_SERVER['REQUEST_METHOD']
: null,
'params' => $params,
'urlParams' => $c['urlParams']
)
);

View file

@ -22,6 +22,28 @@
namespace OCP;
/**
* This interface provides an immutable object with with accessors to
* request variables and headers.
*
* Access request variables by method and name.
*
* Examples:
*
* $request->post['myvar']; // Only look for POST variables
* $request->myvar; or $request->{'myvar'}; or $request->{$myvar}
* Looks in the combined GET, POST and urlParams array.
*
* If you access e.g. ->post but the current HTTP request method
* is GET a \LogicException will be thrown.
*
* NOTE:
* - When accessing ->put a stream resource is returned and the accessor
* will return false on subsequent access to ->put or ->patch.
* - When accessing ->patch and the Content-Type is either application/json
* or application/x-www-form-urlencoded (most cases) it will act like ->get
* and ->post and return an array. Otherwise the raw data will be returned.
*/
interface IRequest {
@ -85,12 +107,4 @@ interface IRequest {
function getCookie($key);
/**
* Returns the request body content.
*
* @param Boolean $asResource If true, a resource will be returned
* @return string|resource The request body content or a resource to read the body stream.
* @throws \LogicException
*/
function getContent($asResource = false);
}

View file

@ -8,12 +8,26 @@
namespace OC\AppFramework\Http;
global $data;
class RequestTest extends \PHPUnit_Framework_TestCase {
public function setUp() {
require_once __DIR__ . '/requeststream.php';
if (in_array('fakeinput', stream_get_wrappers())) {
stream_wrapper_unregister('fakeinput');
}
stream_wrapper_register('fakeinput', 'RequestStream');
}
public function tearDown() {
stream_wrapper_unregister('fakeinput');
}
public function testRequestAccessors() {
$vars = array(
'get' => array('name' => 'John Q. Public', 'nickname' => 'Joey'),
'method' => 'GET',
);
$request = new Request($vars);
@ -31,6 +45,7 @@ class RequestTest extends \PHPUnit_Framework_TestCase {
$this->assertEquals('Joey', $request->get['nickname']);
// Always returns null if variable not set.
$this->assertEquals(null, $request->{'flickname'});
}
// urlParams has precedence over POST which has precedence over GET
@ -73,4 +88,123 @@ class RequestTest extends \PHPUnit_Framework_TestCase {
$request->{'nickname'} = 'Janey';
}
/**
* @expectedException LogicException
*/
public function testGetTheMethodRight() {
$vars = array(
'get' => array('name' => 'John Q. Public', 'nickname' => 'Joey'),
'method' => 'GET',
);
$request = new Request($vars);
$result = $request->post;
}
public function testTheMethodIsRight() {
$vars = array(
'get' => array('name' => 'John Q. Public', 'nickname' => 'Joey'),
'method' => 'GET',
);
$request = new Request($vars);
$this->assertEquals('GET', $request->method);
$result = $request->get;
$this->assertEquals('John Q. Public', $result['name']);
$this->assertEquals('Joey', $result['nickname']);
}
public function testJsonPost() {
global $data;
$data = '{"name": "John Q. Public", "nickname": "Joey"}';
$vars = array(
'method' => 'POST',
'server' => array('CONTENT_TYPE' => 'application/json; utf-8'),
);
$request = new Request($vars);
$this->assertEquals('POST', $request->method);
$result = $request->post;
$this->assertEquals('John Q. Public', $result['name']);
$this->assertEquals('Joey', $result['nickname']);
$this->assertEquals('Joey', $request->params['nickname']);
$this->assertEquals('Joey', $request['nickname']);
}
public function testPatch() {
global $data;
$data = http_build_query(array('name' => 'John Q. Public', 'nickname' => 'Joey'), '', '&');
$vars = array(
'method' => 'PATCH',
'server' => array('CONTENT_TYPE' => 'application/x-www-form-urlencoded'),
);
$request = new Request($vars);
$this->assertEquals('PATCH', $request->method);
$result = $request->patch;
$this->assertEquals('John Q. Public', $result['name']);
$this->assertEquals('Joey', $result['nickname']);
}
public function testJsonPatchAndPut() {
global $data;
// PUT content
$data = '{"name": "John Q. Public", "nickname": "Joey"}';
$vars = array(
'method' => 'PUT',
'server' => array('CONTENT_TYPE' => 'application/json; utf-8'),
);
$request = new Request($vars);
$this->assertEquals('PUT', $request->method);
$result = $request->put;
$this->assertEquals('John Q. Public', $result['name']);
$this->assertEquals('Joey', $result['nickname']);
// PATCH content
$data = '{"name": "John Q. Public", "nickname": null}';
$vars = array(
'method' => 'PATCH',
'server' => array('CONTENT_TYPE' => 'application/json; utf-8'),
);
$request = new Request($vars);
$this->assertEquals('PATCH', $request->method);
$result = $request->patch;
$this->assertEquals('John Q. Public', $result['name']);
$this->assertEquals(null, $result['nickname']);
}
public function testPutStream() {
global $data;
$data = file_get_contents(__DIR__ . '/../../../data/testimage.png');
$vars = array(
'put' => $data,
'method' => 'PUT',
'server' => array('CONTENT_TYPE' => 'image/png'),
);
$request = new Request($vars);
$this->assertEquals('PUT', $request->method);
$resource = $request->put;
$contents = stream_get_contents($resource);
$this->assertEquals($data, $contents);
try {
$resource = $request->put;
} catch(\LogicException $e) {
return;
}
$this->fail('Expected LogicException.');
}
}

View file

@ -0,0 +1,107 @@
<?php
/**
* Copy of http://dk1.php.net/manual/en/stream.streamwrapper.example-1.php
* Used to simulate php://input for Request tests
*/
class RequestStream {
protected $position;
protected $varname;
function stream_open($path, $mode, $options, &$opened_path) {
$url = parse_url($path);
$this->varname = $url["host"];
$this->position = 0;
return true;
}
function stream_read($count) {
$ret = substr($GLOBALS[$this->varname], $this->position, $count);
$this->position += strlen($ret);
return $ret;
}
function stream_write($data) {
$left = substr($GLOBALS[$this->varname], 0, $this->position);
$right = substr($GLOBALS[$this->varname], $this->position + strlen($data));
$GLOBALS[$this->varname] = $left . $data . $right;
$this->position += strlen($data);
return strlen($data);
}
function stream_tell() {
return $this->position;
}
function stream_eof() {
return $this->position >= strlen($GLOBALS[$this->varname]);
}
function stream_seek($offset, $whence) {
switch ($whence) {
case SEEK_SET:
if ($offset < strlen($GLOBALS[$this->varname]) && $offset >= 0) {
$this->position = $offset;
return true;
} else {
return false;
}
break;
case SEEK_CUR:
if ($offset >= 0) {
$this->position += $offset;
return true;
} else {
return false;
}
break;
case SEEK_END:
if (strlen($GLOBALS[$this->varname]) + $offset >= 0) {
$this->position = strlen($GLOBALS[$this->varname]) + $offset;
return true;
} else {
return false;
}
break;
default:
return false;
}
}
public function stream_stat() {
$size = strlen($GLOBALS[$this->varname]);
$time = time();
$data = array(
'dev' => 0,
'ino' => 0,
'mode' => 0777,
'nlink' => 1,
'uid' => 0,
'gid' => 0,
'rdev' => '',
'size' => $size,
'atime' => $time,
'mtime' => $time,
'ctime' => $time,
'blksize' => -1,
'blocks' => -1,
);
return array_values($data) + $data;
//return false;
}
function stream_metadata($path, $option, $var) {
if($option == STREAM_META_TOUCH) {
$url = parse_url($path);
$varname = $url["host"];
if(!isset($GLOBALS[$varname])) {
$GLOBALS[$varname] = '';
}
return true;
}
return false;
}
}