FauxResponse::statusHeader() - Code Metrics - wikimedia/mediawiki - Measure and Improve Code Quality continuously with Scrutinizer

FauxResponse::statusHeader() A
last analyzed 2016-11-13 17:42 UTC

↳ Parent: FauxResponse

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?php
/**
 * Classes used to send headers and cookies back to the user
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

/**
 * Allow programs to request this object from WebRequest::response()
 * and handle all outputting (or lack of outputting) via it.
 * @ingroup HTTP
 */
class WebResponse {

	/** @var array Used to record set cookies, because PHP's setcookie() will
	 * happily send an identical Set-Cookie to the client.
	 */
	protected static $setCookies = [];

	/**
	 * Output an HTTP header, wrapper for PHP's header()
	 * @param string $string Header to output
	 * @param bool $replace Replace current similar header
	 * @param null|int $http_response_code Forces the HTTP response code to the specified value.
	 */
	public function header( $string, $replace = true, $http_response_code = null ) {
		if ( $http_response_code ) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
			header( $string, $replace, $http_response_code );
		} else {
			header( $string, $replace );
		}
	}

	/**
	 * Get a response header
	 * @param string $key The name of the header to get (case insensitive).
	 * @return string|null The header value (if set); null otherwise.
	 * @since 1.25
	 */
	public function getHeader( $key ) {
		foreach ( headers_list() as $header ) {
			list( $name, $val ) = explode( ':', $header, 2 );
			if ( !strcasecmp( $name, $key ) ) {
				return trim( $val );
			}
		}
		return null;
	}

	/**
	 * Output an HTTP status code header
	 * @since 1.26
	 * @param int $code Status code
	 */
	public function statusHeader( $code ) {
		HttpStatus::header( $code );
	}

	/**
	 * Test if headers have been sent
	 * @since 1.27
	 * @return bool
	 */
	public function headersSent() {
		return headers_sent();
	}

	/**
	 * Set the browser cookie
	 * @param string $name The name of the cookie.
	 * @param string $value The value to be stored in the cookie.
	 * @param int|null $expire Unix timestamp (in seconds) when the cookie should expire.
	 *        0 (the default) causes it to expire $wgCookieExpiration seconds from now.
	 *        null causes it to be a session cookie.
	 * @param array $options Assoc of additional cookie options:
	 *     prefix: string, name prefix ($wgCookiePrefix)
	 *     domain: string, cookie domain ($wgCookieDomain)
	 *     path: string, cookie path ($wgCookiePath)
	 *     secure: bool, secure attribute ($wgCookieSecure)
	 *     httpOnly: bool, httpOnly attribute ($wgCookieHttpOnly)
	 * @since 1.22 Replaced $prefix, $domain, and $forceSecure with $options
	 */
	public function setCookie( $name, $value, $expire = 0, $options = [] ) {
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
		global $wgCookiePath, $wgCookiePrefix, $wgCookieDomain;
		global $wgCookieSecure, $wgCookieExpiration, $wgCookieHttpOnly;

		$options = array_filter( $options, function ( $a ) {
			return $a !== null;
		} ) + [
			'prefix' => $wgCookiePrefix,
			'domain' => $wgCookieDomain,
			'path' => $wgCookiePath,
			'secure' => $wgCookieSecure,
			'httpOnly' => $wgCookieHttpOnly,
			'raw' => false,
		];

		if ( $expire === null ) {
			$expire = 0; // Session cookie
		} elseif ( $expire == 0 && $wgCookieExpiration != 0 ) {
			$expire = time() + $wgCookieExpiration;
		}

		$func = $options['raw'] ? 'setrawcookie' : 'setcookie';

		if ( Hooks::run( 'WebResponseSetCookie', [ &$name, &$value, &$expire, &$options ] ) ) {
			$cookie = $options['prefix'] . $name;
			$data = [
				'name' => (string)$cookie,
				'value' => (string)$value,
				'expire' => (int)$expire,
				'path' => (string)$options['path'],
				'domain' => (string)$options['domain'],
				'secure' => (bool)$options['secure'],
				'httpOnly' => (bool)$options['httpOnly'],
			];

			// Per RFC 6265, key is name + domain + path
			$key = "{$data['name']}\n{$data['domain']}\n{$data['path']}";

			// If this cookie name was in the request, fake an entry in
			// self::$setCookies for it so the deleting check works right.
			if ( isset( $_COOKIE[$cookie] ) && !array_key_exists( $key, self::$setCookies ) ) {
				self::$setCookies[$key] = [];
			}

			// PHP deletes if value is the empty string; also, a past expiry is deleting
			$deleting = ( $data['value'] === '' || $data['expire'] > 0 && $data['expire'] <= time() );

			if ( $deleting && !isset( self::$setCookies[$key] ) ) { // isset( null ) is false
				wfDebugLog( 'cookie', 'already deleted ' . $func . ': "' . implode( '", "', $data ) . '"' );
			} elseif ( !$deleting && isset( self::$setCookies[$key] ) &&
				self::$setCookies[$key] === [ $func, $data ]
			) {
				wfDebugLog( 'cookie', 'already set ' . $func . ': "' . implode( '", "', $data ) . '"' );
			} else {
				wfDebugLog( 'cookie', $func . ': "' . implode( '", "', $data ) . '"' );
				if ( call_user_func_array( $func, array_values( $data ) ) ) {
					self::$setCookies[$key] = $deleting ? null : [ $func, $data ];
				}
			}
		}
	}

	/**
	 * Unset a browser cookie.
	 * This sets the cookie with an empty value and an expiry set to a time in the past,
	 * which will cause the browser to remove any cookie with the given name, domain and
	 * path from its cookie store. Options other than these (and prefix) have no effect.
	 * @param string $name Cookie name
	 * @param array $options Cookie options, see {@link setCookie()}
	 * @since 1.27
	 */
	public function clearCookie( $name, $options = [] ) {
		$this->setCookie( $name, '', time() - 31536000 /* 1 year */, $options );
	}

	/**
	 * Checks whether this request is performing cookie operations
	 *
	 * @return bool
	 * @since 1.27
	 */
	public function hasCookies() {
		return (bool)self::$setCookies;
	}
}

/**
 * @ingroup HTTP
 */
class FauxResponse extends WebResponse {
	private $headers;
	private $cookies = [];
	private $code;

	/**
	 * Stores a HTTP header
	 * @param string $string Header to output
	 * @param bool $replace Replace current similar header
	 * @param null|int $http_response_code Forces the HTTP response code to the specified value.
	 */
	public function header( $string, $replace = true, $http_response_code = null ) {
		if ( substr( $string, 0, 5 ) == 'HTTP/' ) {
			$parts = explode( ' ', $string, 3 );
			$this->code = intval( $parts[1] );
		} else {
			list( $key, $val ) = array_map( 'trim', explode( ":", $string, 2 ) );

			$key = strtoupper( $key );

			if ( $replace || !isset( $this->headers[$key] ) ) {
				$this->headers[$key] = $val;
			}
		}

		if ( $http_response_code !== null ) {
			$this->code = intval( $http_response_code );
		}
	}

	/**
	 * @since 1.26
	 * @param int $code Status code
	 */
	public function statusHeader( $code ) {
		$this->code = intval( $code );
	}

	public function headersSent() {
		return false;
	}

	/**
	 * @param string $key The name of the header to get (case insensitive).
	 * @return string|null The header value (if set); null otherwise.
	 */
	public function getHeader( $key ) {
		$key = strtoupper( $key );

		if ( isset( $this->headers[$key] ) ) {
			return $this->headers[$key];
		}
		return null;
	}

	/**
	 * Get the HTTP response code, null if not set
	 *
	 * @return int|null
	 */
	public function getStatusCode() {
		return $this->code;
	}

	/**
	 * @param string $name The name of the cookie.
	 * @param string $value The value to be stored in the cookie.
	 * @param int|null $expire Ignored in this faux subclass.
	 * @param array $options Ignored in this faux subclass.
	 */
	public function setCookie( $name, $value, $expire = 0, $options = [] ) {
		global $wgCookiePath, $wgCookiePrefix, $wgCookieDomain;
		global $wgCookieSecure, $wgCookieExpiration, $wgCookieHttpOnly;

		$options = array_filter( $options, function ( $a ) {
			return $a !== null;
		} ) + [
			'prefix' => $wgCookiePrefix,
			'domain' => $wgCookieDomain,
			'path' => $wgCookiePath,
			'secure' => $wgCookieSecure,
			'httpOnly' => $wgCookieHttpOnly,
			'raw' => false,
		];

		if ( $expire === null ) {
			$expire = 0; // Session cookie
		} elseif ( $expire == 0 && $wgCookieExpiration != 0 ) {
			$expire = time() + $wgCookieExpiration;
		}

		$this->cookies[$options['prefix'] . $name] = [
			'value' => (string)$value,
			'expire' => (int)$expire,
			'path' => (string)$options['path'],
			'domain' => (string)$options['domain'],
			'secure' => (bool)$options['secure'],
			'httpOnly' => (bool)$options['httpOnly'],
			'raw' => (bool)$options['raw'],
		];
	}

	/**
	 * @param string $name
	 * @return string|null
	 */
	public function getCookie( $name ) {
		if ( isset( $this->cookies[$name] ) ) {
			return $this->cookies[$name]['value'];
		}
		return null;
	}

	/**
	 * @param string $name
	 * @return array|null
	 */
	public function getCookieData( $name ) {
		if ( isset( $this->cookies[$name] ) ) {
			return $this->cookies[$name];
		}
		return null;
	}

	/**
	 * @return array
	 */
	public function getCookies() {
		return $this->cookies;
	}
}


1		<?php
2		/**
3		* Classes used to send headers and cookies back to the user
4		*
5		* This program is free software; you can redistribute it and/or modify
6		* it under the terms of the GNU General Public License as published by
7		* the Free Software Foundation; either version 2 of the License, or
8		* (at your option) any later version.
9		*
10		* This program is distributed in the hope that it will be useful,
11		* but WITHOUT ANY WARRANTY; without even the implied warranty of
12		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13		* GNU General Public License for more details.
14		*
15		* You should have received a copy of the GNU General Public License along
16		* with this program; if not, write to the Free Software Foundation, Inc.,
17		* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18		* http://www.gnu.org/copyleft/gpl.html
19		*
20		* @file
21		*/
22
23		/**
24		* Allow programs to request this object from WebRequest::response()
25		* and handle all outputting (or lack of outputting) via it.
26		* @ingroup HTTP
27		*/
28		class WebResponse {
29
30		/** @var array Used to record set cookies, because PHP's setcookie() will
31		* happily send an identical Set-Cookie to the client.
32		*/
33		protected static $setCookies = [];
34
35		/**
36		* Output an HTTP header, wrapper for PHP's header()
37		* @param string $string Header to output
38		* @param bool $replace Replace current similar header
39		* @param null\|int $http_response_code Forces the HTTP response code to the specified value.
40		*/
41		public function header( $string, $replace = true, $http_response_code = null ) {
42		if ( $http_response_code ) {
		0 ignored issues – show Bug Best Practice introduced 2016-09-22 18:35 UTC by Report Bug Copy Issue Report The expression `$http_response_code` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
43		header( $string, $replace, $http_response_code );
44		} else {
45		header( $string, $replace );
46		}
47		}
48
49		/**
50		* Get a response header
51		* @param string $key The name of the header to get (case insensitive).
52		* @return string\|null The header value (if set); null otherwise.
53		* @since 1.25
54		*/
55		public function getHeader( $key ) {
56		foreach ( headers_list() as $header ) {
57		list( $name, $val ) = explode( ':', $header, 2 );
58		if ( !strcasecmp( $name, $key ) ) {
59		return trim( $val );
60		}
61		}
62		return null;
63		}
64
65		/**
66		* Output an HTTP status code header
67		* @since 1.26
68		* @param int $code Status code
69		*/
70		public function statusHeader( $code ) {
71		HttpStatus::header( $code );
72		}
73
74		/**
75		* Test if headers have been sent
76		* @since 1.27
77		* @return bool
78		*/
79		public function headersSent() {
80		return headers_sent();
81		}
82
83		/**
84		* Set the browser cookie
85		* @param string $name The name of the cookie.
86		* @param string $value The value to be stored in the cookie.
87		* @param int\|null $expire Unix timestamp (in seconds) when the cookie should expire.
88		* 0 (the default) causes it to expire $wgCookieExpiration seconds from now.
89		* null causes it to be a session cookie.
90		* @param array $options Assoc of additional cookie options:
91		* prefix: string, name prefix ($wgCookiePrefix)
92		* domain: string, cookie domain ($wgCookieDomain)
93		* path: string, cookie path ($wgCookiePath)
94		* secure: bool, secure attribute ($wgCookieSecure)
95		* httpOnly: bool, httpOnly attribute ($wgCookieHttpOnly)
96		* @since 1.22 Replaced $prefix, $domain, and $forceSecure with $options
97		*/
98		public function setCookie( $name, $value, $expire = 0, $options = [] ) {
		0 ignored issues – show Coding Style introduced 2016-01-25 18:14 UTC by Report Bug Copy Issue Report `setCookie` uses the super-global variable `$_COOKIE` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
99		global $wgCookiePath, $wgCookiePrefix, $wgCookieDomain;
100		global $wgCookieSecure, $wgCookieExpiration, $wgCookieHttpOnly;
101
102		$options = array_filter( $options, function ( $a ) {
103		return $a !== null;
104		} ) + [
105		'prefix' => $wgCookiePrefix,
106		'domain' => $wgCookieDomain,
107		'path' => $wgCookiePath,
108		'secure' => $wgCookieSecure,
109		'httpOnly' => $wgCookieHttpOnly,
110		'raw' => false,
111		];
112
113	View Code Duplication	if ( $expire === null ) {
114		$expire = 0; // Session cookie
115		} elseif ( $expire == 0 && $wgCookieExpiration != 0 ) {
116		$expire = time() + $wgCookieExpiration;
117		}
118
119		$func = $options['raw'] ? 'setrawcookie' : 'setcookie';
120
121		if ( Hooks::run( 'WebResponseSetCookie', [ &$name, &$value, &$expire, &$options ] ) ) {
122		$cookie = $options['prefix'] . $name;
123		$data = [
124		'name' => (string)$cookie,
125		'value' => (string)$value,
126		'expire' => (int)$expire,
127		'path' => (string)$options['path'],
128		'domain' => (string)$options['domain'],
129		'secure' => (bool)$options['secure'],
130		'httpOnly' => (bool)$options['httpOnly'],
131		];
132
133		// Per RFC 6265, key is name + domain + path
134		$key = "{$data['name']}\n{$data['domain']}\n{$data['path']}";
135
136		// If this cookie name was in the request, fake an entry in
137		// self::$setCookies for it so the deleting check works right.
138		if ( isset( $_COOKIE[$cookie] ) && !array_key_exists( $key, self::$setCookies ) ) {
139		self::$setCookies[$key] = [];
140		}
141
142		// PHP deletes if value is the empty string; also, a past expiry is deleting
143		$deleting = ( $data['value'] === '' \|\| $data['expire'] > 0 && $data['expire'] <= time() );
144
145		if ( $deleting && !isset( self::$setCookies[$key] ) ) { // isset( null ) is false
146		wfDebugLog( 'cookie', 'already deleted ' . $func . ': "' . implode( '", "', $data ) . '"' );
147		} elseif ( !$deleting && isset( self::$setCookies[$key] ) &&
148		self::$setCookies[$key] === [ $func, $data ]
149		) {
150		wfDebugLog( 'cookie', 'already set ' . $func . ': "' . implode( '", "', $data ) . '"' );
151		} else {
152		wfDebugLog( 'cookie', $func . ': "' . implode( '", "', $data ) . '"' );
153		if ( call_user_func_array( $func, array_values( $data ) ) ) {
154		self::$setCookies[$key] = $deleting ? null : [ $func, $data ];
155		}
156		}
157		}
158		}
159
160		/**
161		* Unset a browser cookie.
162		* This sets the cookie with an empty value and an expiry set to a time in the past,
163		* which will cause the browser to remove any cookie with the given name, domain and
164		* path from its cookie store. Options other than these (and prefix) have no effect.
165		* @param string $name Cookie name
166		* @param array $options Cookie options, see {@link setCookie()}
167		* @since 1.27
168		*/
169		public function clearCookie( $name, $options = [] ) {
170		$this->setCookie( $name, '', time() - 31536000 /* 1 year */, $options );
171		}
172
173		/**
174		* Checks whether this request is performing cookie operations
175		*
176		* @return bool
177		* @since 1.27
178		*/
179		public function hasCookies() {
180		return (bool)self::$setCookies;
181		}
182		}
183
184		/**
185		* @ingroup HTTP
186		*/
187		class FauxResponse extends WebResponse {
188		private $headers;
189		private $cookies = [];
190		private $code;
191
192		/**
193		* Stores a HTTP header
194		* @param string $string Header to output
195		* @param bool $replace Replace current similar header
196		* @param null\|int $http_response_code Forces the HTTP response code to the specified value.
197		*/
198		public function header( $string, $replace = true, $http_response_code = null ) {
199		if ( substr( $string, 0, 5 ) == 'HTTP/' ) {
200		$parts = explode( ' ', $string, 3 );
201		$this->code = intval( $parts[1] );
202		} else {
203		list( $key, $val ) = array_map( 'trim', explode( ":", $string, 2 ) );
204
205		$key = strtoupper( $key );
206
207		if ( $replace \|\| !isset( $this->headers[$key] ) ) {
208		$this->headers[$key] = $val;
209		}
210		}
211
212		if ( $http_response_code !== null ) {
213		$this->code = intval( $http_response_code );
214		}
215		}
216
217		/**
218		* @since 1.26
219		* @param int $code Status code
220		*/
221		public function statusHeader( $code ) {
222		$this->code = intval( $code );
223		}
224
225		public function headersSent() {
226		return false;
227		}
228
229		/**
230		* @param string $key The name of the header to get (case insensitive).
231		* @return string\|null The header value (if set); null otherwise.
232		*/
233		public function getHeader( $key ) {
234		$key = strtoupper( $key );
235
236		if ( isset( $this->headers[$key] ) ) {
237		return $this->headers[$key];
238		}
239		return null;
240		}
241
242		/**
243		* Get the HTTP response code, null if not set
244		*
245		* @return int\|null
246		*/
247		public function getStatusCode() {
248		return $this->code;
249		}
250
251		/**
252		* @param string $name The name of the cookie.
253		* @param string $value The value to be stored in the cookie.
254		* @param int\|null $expire Ignored in this faux subclass.
255		* @param array $options Ignored in this faux subclass.
256		*/
257		public function setCookie( $name, $value, $expire = 0, $options = [] ) {
258		global $wgCookiePath, $wgCookiePrefix, $wgCookieDomain;
259		global $wgCookieSecure, $wgCookieExpiration, $wgCookieHttpOnly;
260
261		$options = array_filter( $options, function ( $a ) {
262		return $a !== null;
263		} ) + [
264		'prefix' => $wgCookiePrefix,
265		'domain' => $wgCookieDomain,
266		'path' => $wgCookiePath,
267		'secure' => $wgCookieSecure,
268		'httpOnly' => $wgCookieHttpOnly,
269		'raw' => false,
270		];
271
272	View Code Duplication	if ( $expire === null ) {
273		$expire = 0; // Session cookie
274		} elseif ( $expire == 0 && $wgCookieExpiration != 0 ) {
275		$expire = time() + $wgCookieExpiration;
276		}
277
278		$this->cookies[$options['prefix'] . $name] = [
279		'value' => (string)$value,
280		'expire' => (int)$expire,
281		'path' => (string)$options['path'],
282		'domain' => (string)$options['domain'],
283		'secure' => (bool)$options['secure'],
284		'httpOnly' => (bool)$options['httpOnly'],
285		'raw' => (bool)$options['raw'],
286		];
287		}
288
289		/**
290		* @param string $name
291		* @return string\|null
292		*/
293		public function getCookie( $name ) {
294		if ( isset( $this->cookies[$name] ) ) {
295		return $this->cookies[$name]['value'];
296		}
297		return null;
298		}
299
300		/**
301		* @param string $name
302		* @return array\|null
303		*/
304		public function getCookieData( $name ) {
305		if ( isset( $this->cookies[$name] ) ) {
306		return $this->cookies[$name];
307		}
308		return null;
309		}
310
311		/**
312		* @return array
313		*/
314		public function getCookies() {
315		return $this->cookies;
316		}
317		}
318

wikimedia / mediawiki

FauxResponse::statusHeader() A last analyzed 2016-11-13 17:42 UTC

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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FauxResponse::statusHeader() A
last analyzed 2016-11-13 17:42 UTC