Response::globalHeaders() - Code Metrics - vanilla/garden - Measure and Improve Code Quality continuously with Scrutinizer

Response::globalHeaders() C
last analyzed 2017-08-29 15:20 UTC

↳ Parent: Response

Complexity

Conditions	7
Paths	10

Size

Total Lines	26
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	56

Importance

Changes

Metric	Value
cc	7
eloc	15
nc	10
nop	3
dl	0
loc	26
ccs	0
cts	17
cp	0
crap	56
rs	6.7272
c	0
b	0
f	0

<?php
/**
 * @author Todd Burry <[email protected]>
 * @copyright 2009-2014 Vanilla Forums Inc.
 * @license MIT
 * @since 1.0
 */

namespace Garden;

use JsonSerializable;

/**
 * A class that contains the information in an http response.
 */
class Response implements JsonSerializable {
    /// Properties ///

    /**
     * An array of cookie sets. This array is in the form:
     *
     * ```
     * array (
     *     'name' => [args for setcookie()]
     * )
     * ```
     *
     * @var array An array of cookies sets.
     */
    protected $cookies = [];

    /**
     * An array of global cookie sets.
     *
     * This array is for code the queue up cookie changes before the response has been created.
     *
     * @var array An array of cookies.
     */
    protected static $globalCookies;

    /**
     * @var Response The current response.
     */
    protected static $current;

    /**
     * @var array An array of meta data that is not related to the response data.
     */
    protected $meta = [];

    /**
     * @var array An array of response data.
     */
    protected $data = [];

    /**
     * @var string The asset that should be rendered.
     */
    protected $contentAsset;

    /**
     * @var string The default cookie domain.
     */
    public $defaultCookieDomain;

    /**
     * @var string The default cookie path.
     */
    public $defaultCookiePath;

    /**
     * @var array An array of http headers.
     */
    protected $headers = array();

    /**
     * @var array An array of global http headers.
     */
    protected static $globalHeaders;

    /**
     * @var int HTTP status code
     */
    protected $status = 200;

    /**
     * @var array HTTP response codes and messages.
     */
    protected static $messages = array(
        // Informational 1xx
        100 => 'Continue',
        101 => 'Switching Protocols',
        // Successful 2xx
        200 => 'OK',
        201 => 'Created',
        202 => 'Accepted',
        203 => 'Non-Authoritative Information',
        204 => 'No Content',
        205 => 'Reset Content',
        206 => 'Partial Content',
        // Redirection 3xx
        300 => 'Multiple Choices',
        301 => 'Moved Permanently',
        302 => 'Found',
        303 => 'See Other',
        304 => 'Not Modified',
        305 => 'Use Proxy',
        306 => '(Unused)',
        307 => 'Temporary Redirect',
        // Client Error 4xx
        400 => 'Bad Request',
        401 => 'Unauthorized',
        402 => 'Payment Required',
        403 => 'Forbidden',
        404 => 'Not Found',
        405 => 'Method Not Allowed',
        406 => 'Not Acceptable',
        407 => 'Proxy Authentication Required',
        408 => 'Request Timeout',
        409 => 'Conflict',
        410 => 'Gone',
        411 => 'Length Required',
        412 => 'Precondition Failed',
        413 => 'Request Entity Too Large',
        414 => 'Request-URI Too Long',
        415 => 'Unsupported Media Type',
        416 => 'Requested Range Not Satisfiable',
        417 => 'Expectation Failed',
        418 => 'I\'m a teapot',
        422 => 'Unprocessable Entity',
        423 => 'Locked',
        // Server Error 5xx
        500 => 'Internal Server Error',
        501 => 'Not Implemented',
        502 => 'Bad Gateway',
        503 => 'Service Unavailable',
        504 => 'Gateway Timeout',
        505 => 'HTTP Version Not Supported'
    );

    /// Methods ///

    /**
     * Gets or sets the response that is currently being processed.
     *
     * @param Response|null $response Set a new response or pass null to get the current response.
     * @return Response Returns the current response.
     */
    public static function current(Response $response = null) {
        if ($response !== null) {
            self::$current = $response;
        } elseif (self::$current === null) {
            self::$current = new Response();
        }

        return self::$current;
    }

    /**
     * Create a Response from a variety of data.
     *
     * @param mixed $result The result to create the response from.
     * @return Response Returns a {@link Response} object.
     */
    public static function create($result) {
        if ($result instanceof Response) {
            return $result;
        } elseif ($result instanceof Exception\ResponseException) {
            /* @var Exception\ResponseException $result */
            return $result->getResponse();
        }

        $response = new Response();

        if ($result instanceof Exception\ClientException) {
            /* @var Exception\ClientException $cex */
            $cex = $result;
            $response->status($cex->getCode());
            $response->headers($cex->getHeaders());
            $response->data($cex->jsonSerialize());
        } elseif ($result instanceof \Exception) {
            /* @var \Exception $ex */
            $ex = $result;
            $response->status($ex->getCode());
            $response->data([
                'exception' => $ex->getMessage(),
                'code' => $ex->getCode()
            ]);
        } elseif (is_array($result)) {
            if (count($result) === 3 && isset($result[0], $result[1], $result[2])) {
                // This is a rack style response in the form [code, headers, body].
                $response->status($result[0]);
                $response->headers($result[1]);
                $response->data($result[2]);
            } elseif (array_key_exists('response', $result)) {
                $resultResponse = $result['response'];
                if (!$resultResponse) {
                    $response->data($result['body']);
                } else {
                    // This is a dispatched response.
                    $response = static::create($resultResponse);
                }

                // Set the rest of the result to the response context.
                unset($result['response']);
                $response->meta($result, true);
            } else {
                $response->data($result);
            }
        } else {
            $response->status(422);
            $response->data([
                'exception' => "Unknown result type for response.",
                'code' => $response->status()
            ]);
        }
        return $response;
    }

    /**
     * Gets or sets the content type.
     *
     * @param string|null $value The new content type or null to get the current content type.
     * @return Response|string Returns the current content type or `$this` for fluent calls.
     */
    public function contentType($value = null) {
        if ($value === null) {
            return $this->headers('Content-Type');
        }

        return $this->headers('Content-Type', $value);
    }

    /**
     * Gets or sets the asset that will be rendered in the response.
     *
     * @param string $asset Set a new value or pass `null` to get the current value.
     * @return Response|string Returns the current content asset or `$this` when settings.
     */
    public function contentAsset($asset = null) {
        if ($asset !== null) {
            $this->contentAsset = $asset;
            return $this;
        }

        return $this->contentAsset;
    }

    /**
     * Set the content type from an accept header.
     *
     * @param string $accept The value of the accept header.
     * @return Response $this Returns `$this` for fluent calls.
     */
    public function contentTypeFromAccept($accept) {
        if (!empty($this->headers['Content-Type'])) {
            return;
        }

        $accept = strtolower($accept);
        if (strpos($accept, ',') === false) {
            list($contentType) = explode(';', $accept);
        } elseif (strpos($accept, 'text/html') !== false) {
            $contentType = 'text/html';
        } elseif (strpos($accept, 'application/rss+xml' !== false)) {
            $contentType = 'application/rss+xml';
        } elseif (strpos($accept, 'text/plain')) {
            $contentType = 'text/plain';
        } else {
            $contentType = 'text/html';
        }
        $this->contentType($contentType);
        return $this;
    }

    /**
     * Translate an http code to its corresponding status message.
     *
     * @param int $statusCode The http status code.
     * @param bool $header Whether or not the result should be in a form that can be passed to {@link header}.
     * @return string Returns the status message corresponding to {@link $code}.
     */
    public static function statusMessage($statusCode, $header = false) {
        $message = val($statusCode, self::$messages, 'Unknown');

        if ($header) {
            return "HTTP/1.1 $statusCode $message";
        } else {
            return $message;
        }
    }

    /**
     * Gets or sets a cookie.
     *
     * @param string $name The name of the cookie.
     * @param bool $value The value of the cookie. This value is stored on the clients computer; do not store sensitive information.
     * @param int $expires The time the cookie expires. This is a Unix timestamp so is in number of seconds since the epoch.
     * @param string $path The path on the server in which the cookie will be available on.
     * If set to '/', the cookie will be available within the entire {@link $domain}.
     * @param string $domain The domain that the cookie is available to.
     * @param bool $secure Indicates that the cookie should only be transmitted over a secure HTTPS connection from the client.
     * @param bool $httponly When TRUE the cookie will be made accessible only through the HTTP protocol.
     * @return $this|mixed Returns the cookie settings at {@link $name} or `$this` when setting a cookie for fluent calls.
     */
    public function cookies($name, $value = false, $expires = 0, $path = null, $domain = null, $secure = false, $httponly = false) {
        if ($value === false) {
            return val($name, $this->cookies);
        }

        $this->cookies[$name] = [$value, $expires, $path, $domain, $secure, $httponly];
        return $this;
    }

    /**
     * Gets or sets a global cookie.
     *
     * Global cookies are used when you want to set a cookie, but a {@link Response} has not been created yet.
     *
     * @param string $name The name of the cookie.
     * @param bool $value The value of the cookie. This value is stored on the clients computer; do not store sensitive information.
     * @param int $expires The time the cookie expires. This is a Unix timestamp so is in number of seconds since the epoch.
     * @param string $path The path on the server in which the cookie will be available on.
     * If set to '/', the cookie will be available within the entire {@link $domain}.
     * @param string $domain The domain that the cookie is available to.
     * @param bool $secure Indicates that the cookie should only be transmitted over a secure HTTPS connection from the client.
     * @param bool $httponly When TRUE the cookie will be made accessible only through the HTTP protocol.
     * @return mixed|null Returns the cookie settings at {@link $name} or `null` when setting a cookie.
     */
    public static function globalCookies($name = null, $value = false, $expires = 0, $path = null, $domain = null, $secure = false, $httponly = false) {
        if (self::$globalCookies === null) {
            self::$globalCookies = [];
        }

        if ($name === null) {
            return self::$globalCookies;
        }

        if ($value === false) {
            return val($name, self::$globalCookies);
        }

        self::$globalCookies[$name] = [$value, $expires, $path, $domain, $secure, $httponly];
        return null;
    }

    /**
     * Get or set the meta data for the response.
     *
     * The meta is an array of data that is unrelated to the response data.
     *
     * @param array|null $meta Pass a new meta data value or `null` to get the current meta array.
     * @param bool $merge Whether or not to merge new data with the current data when setting.
     * @return $this|array Returns either the meta or `$this` when setting the meta data.
     */
    public function meta($meta = null, $merge = false) {
        if ($meta !== null) {
            if ($merge) {
                $this->meta = array_merge($this->meta, $meta);
            } else {
                $this->meta = $meta;
            }
            return $this;
        } else {
            return $this->meta;
        }
    }

    /**
     * Get or set the data for the response.
     *
     * @param array|null $data Pass a new data value or `null` to get the current data array.
     * @param bool $merge Whether or not to merge new data with the current data when setting.
     * @return Response|array Returns either the data or `$this` when setting the data.
     */
    public function data($data = null, $merge = false) {
        if ($data !== null) {
            if ($merge) {
                $this->data = array_merge($this->data, $data);
            } else {
                $this->data = $data;
            }
            return $this;
        } else {
            return $this->data;
        }
    }

    /**
     * Gets or sets headers.
     *
     * @param string|array $name The name of the header or an array of headers.
     * @param string|null $value A new value for the header or null to get the current header.
     * @param bool $replace Whether or not to replace the current header or append.
     * @return Response|string Returns the value of the header or `$this` for fluent calls.
     */
    public function headers($name, $value = null, $replace = true) {
        $headers = static::splitHeaders($name, $value);

        if (is_string($headers)) {
            return val($headers, $this->headers);
        }

        foreach ($headers as $name => $value) {
            if ($replace || !isset($this->headers[$name])) {
                $this->headers[$name] = $value;
            } else {
                $this->headers[$name] = array_merge((array)$this->headers, [$value]);
            }
        }
        return $this;
    }

    /**
     * Gets or sets global headers.
     *
     * The global headers exist to allow code to queue up headers before the response has been constructed.
     *
     * @param string|array|null $name The name of the header or an array of headers.
     * @param string|null $value A new value for the header or null to get the current header.
     * @param bool $replace Whether or not to replace the current header or append.
     * @return string|array Returns one of the following:
     * - string|array: Returns the current value of the header at {@link $name}.
     * - array: Returns the entire global headers array when {@link $name} is not passed.
     * - null: Returns `null` when setting a global header.
     */
    public static function globalHeaders($name = null, $value = null, $replace = true) {
        if (self::$globalHeaders === null) {
            self::$globalHeaders = [
                'P3P' => 'CP="CAO PSA OUR"'
            ];
        }

        if ($name === null) {
            return self::$globalHeaders;
        }

        $headers = static::splitHeaders($name, $value);

        if (is_string($headers)) {
            return val($headers, self::$globalHeaders);
        }

        foreach ($headers as $name => $value) {
            if ($replace || !isset(self::$globalHeaders[$name])) {
                self::$globalHeaders[$name] = $value;
            } else {
                self::$globalHeaders[$name] = array_merge((array)self::$globalHeaders, [$value]);
            }
        }
        return null;
    }

    /**
     * Split and normalize headers into a form appropriate for {@link $headers} or {@link $globalHeaders}.
     *
     * @param string|array $name The name of the header or an array of headers.
     * @param string|null $value The header value if {@link $name} is a string.
     * @return array|string Returns one of the following:
     * - array: An array of headers.
     * - string: The header name if just a name was passed.
     * @throws \InvalidArgumentException Throws an exception if {@link $name} is not a valid string or array.
     */
    protected static function splitHeaders($name, $value = null) {
        if (is_string($name)) {
            if (strpos($name, ':') !== false) {
                // The name is in the form Header: value.
                list($name, $value) = explode(':', $name, 2);
                return [static::normalizeHeader(trim($name)) => trim($value)];
            } elseif ($value !== null) {
                return [static::normalizeHeader($name) => $value];
            } else {
                return static::normalizeHeader($name);
            }
        } elseif (is_array($name)) {
            $result = [];
            foreach ($name as $key => $value) {
                if (is_numeric($key)) {
                    // $value should be a header in the form Header: value.
                    list($key, $value) = explode(':', $value, 2);
                }
                $result[static::normalizeHeader(trim($key))] = trim($value);
            }
            return $result;
        }
        throw new \InvalidArgumentException("Argument #1 to splitHeaders() was not valid.", 422);
    }

    /**
     * Normalize a header key to the proper casing.
     *
     * Example:
     *
     * ```
     * echo static::normalizeHeader('CONTENT_TYPE');
     *
     * // Content-Type
     * ```
     *
     * @param string $name The name of the header.
     * @return string Returns the normalized header name.
     */
    public static function normalizeHeader($name) {
        static $special = [
            'etag' => 'ETag', 'p3p' => 'P3P', 'www-authenticate' => 'WWW-Authenticate',
            'x-ua-compatible' => 'X-UA-Compatible'
        ];

        $name = str_replace(['-', '_'], ' ', strtolower($name));
        if (isset($special[$name])) {
            $name = $special[$name];
        } else {
            $name = str_replace(' ', '-', ucwords($name));
        }
        return $name;
    }

    /**
     * Gets/sets the http status code.
     *
     * @param int $value The new value if setting the http status code.
     * @return int The current http status code.
     * @throws \InvalidArgumentException The new status is not a valid http status number.
     */
    public function status($value = null) {
        if ($value !== null) {
            if (!isset(self::$messages[$value])) {
                $this->headers('X-Original-Status', $value);
                $value = 500;
            }
            $this->status = (int)$value;
        }
        return $this->status;
    }

    /**
     * Flush the response to the client.
     */
    public function flush() {
        $this->flushHeaders();

        echo json_encode($this->data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
    }

    /**
     * Flush the headers to the browser.
     *
     * @param bool $global Whether or not to merge the global headers with this response.
     */
    public function flushHeaders($global = true) {
        if (headers_sent()) {
            return;
        }

        if ($global) {
            $cookies = array_replace(static::globalCookies(), $this->cookies);
            $headers = array_replace(static::globalHeaders(), $this->headers);
        } else {
            $cookies = $this->cookies;
            $headers = $this->headers;
        }

        // Set the cookies first.
        foreach ($cookies as $name => $value) {
            setcookie(
                $name,
                $value[0],
                $value[1],
                $value[2] !== null ? $value[2] : $this->defaultCookiePath,
                $value[3] !== null ? $value[3] : $this->defaultCookieDomain,
                $value[4],
                $value[5]
            );
        }

        // Set the response code.
        header(static::statusMessage($this->status, true), true, $this->status);

        $headers = array_filter($headers);

        // The content type is a special case.
        if (isset($headers['Content-Type'])) {
            $contentType = (array)$headers['Content-Type'];
            header('Content-Type: '.reset($contentType).'; charset=utf8', true);
            unset($headers['Content-Type']);
        }

        // Flush the rest of the headers.
        foreach ($headers as $name => $value) {
            foreach ((array)$value as $hvalue) {
                header("$name: $hvalue", false);
            }
        }
    }

    /**
     * Specify data which should be serialized to JSON.
     *
     * @link http://php.net/manual/en/jsonserializable.jsonserialize.php
     * @return mixed data which can be serialized by <b>json_encode</b>,
     * which is a value of any type other than a resource.
     */
    public function jsonSerialize() {
        $asset = (string)$this->contentAsset();

        if ($asset) {
            // A specific asset was specified.
            if (strpos($asset, '.') !== false) {
                list($group, $key) = explode('.', $asset, 2);
                switch ($group) {
                    case 'meta':
                        return val($key, $this->meta);
                    case 'data':
                        return val($key, $this->data);
                    default:
                        return null;
                }
            } else {
                switch ($asset) {
                    case 'data':
                        return $this->data;
                    case 'meta':
                        return $this->meta;
                    default:
                        return null;
                }
            }
        }
        return $this->data;
    }
}


1			<?php
2			/**
3			* @author Todd Burry <[email protected]>
4			* @copyright 2009-2014 Vanilla Forums Inc.
5			* @license MIT
6			* @since 1.0
7			*/
8
9			namespace Garden;
10
11			use JsonSerializable;
12
13			/**
14			* A class that contains the information in an http response.
15			*/
16			class Response implements JsonSerializable {
17			/// Properties ///
18
19			/**
20			* An array of cookie sets. This array is in the form:
21			*
22			* ```
23			* array (
24			* 'name' => [args for setcookie()]
25			* )
26			* ```
27			*
28			* @var array An array of cookies sets.
29			*/
30			protected $cookies = [];
31
32			/**
33			* An array of global cookie sets.
34			*
35			* This array is for code the queue up cookie changes before the response has been created.
36			*
37			* @var array An array of cookies.
38			*/
39			protected static $globalCookies;
40
41			/**
42			* @var Response The current response.
43			*/
44			protected static $current;
45
46			/**
47			* @var array An array of meta data that is not related to the response data.
48			*/
49			protected $meta = [];
50
51			/**
52			* @var array An array of response data.
53			*/
54			protected $data = [];
55
56			/**
57			* @var string The asset that should be rendered.
58			*/
59			protected $contentAsset;
60
61			/**
62			* @var string The default cookie domain.
63			*/
64			public $defaultCookieDomain;
65
66			/**
67			* @var string The default cookie path.
68			*/
69			public $defaultCookiePath;
70
71			/**
72			* @var array An array of http headers.
73			*/
74			protected $headers = array();
75
76			/**
77			* @var array An array of global http headers.
78			*/
79			protected static $globalHeaders;
80
81			/**
82			* @var int HTTP status code
83			*/
84			protected $status = 200;
85
86			/**
87			* @var array HTTP response codes and messages.
88			*/
89			protected static $messages = array(
90			// Informational 1xx
91			100 => 'Continue',
92			101 => 'Switching Protocols',
93			// Successful 2xx
94			200 => 'OK',
95			201 => 'Created',
96			202 => 'Accepted',
97			203 => 'Non-Authoritative Information',
98			204 => 'No Content',
99			205 => 'Reset Content',
100			206 => 'Partial Content',
101			// Redirection 3xx
102			300 => 'Multiple Choices',
103			301 => 'Moved Permanently',
104			302 => 'Found',
105			303 => 'See Other',
106			304 => 'Not Modified',
107			305 => 'Use Proxy',
108			306 => '(Unused)',
109			307 => 'Temporary Redirect',
110			// Client Error 4xx
111			400 => 'Bad Request',
112			401 => 'Unauthorized',
113			402 => 'Payment Required',
114			403 => 'Forbidden',
115			404 => 'Not Found',
116			405 => 'Method Not Allowed',
117			406 => 'Not Acceptable',
118			407 => 'Proxy Authentication Required',
119			408 => 'Request Timeout',
120			409 => 'Conflict',
121			410 => 'Gone',
122			411 => 'Length Required',
123			412 => 'Precondition Failed',
124			413 => 'Request Entity Too Large',
125			414 => 'Request-URI Too Long',
126			415 => 'Unsupported Media Type',
127			416 => 'Requested Range Not Satisfiable',
128			417 => 'Expectation Failed',
129			418 => 'I\'m a teapot',
130			422 => 'Unprocessable Entity',
131			423 => 'Locked',
132			// Server Error 5xx
133			500 => 'Internal Server Error',
134			501 => 'Not Implemented',
135			502 => 'Bad Gateway',
136			503 => 'Service Unavailable',
137			504 => 'Gateway Timeout',
138			505 => 'HTTP Version Not Supported'
139			);
140
141			/// Methods ///
142
143			/**
144			* Gets or sets the response that is currently being processed.
145			*
146			* @param Response\|null $response Set a new response or pass null to get the current response.
147			* @return Response Returns the current response.
148			*/
149			public static function current(Response $response = null) {
150			if ($response !== null) {
151			self::$current = $response;
152			} elseif (self::$current === null) {
153			self::$current = new Response();
154			}
155
156			return self::$current;
157			}
158
159			/**
160			* Create a Response from a variety of data.
161			*
162			* @param mixed $result The result to create the response from.
163			* @return Response Returns a {@link Response} object.
164			*/
165	44		public static function create($result) {
166	44		if ($result instanceof Response) {
167			return $result;
168	44		} elseif ($result instanceof Exception\ResponseException) {
169			/* @var Exception\ResponseException $result */
170			return $result->getResponse();
171			}
172
173	44		$response = new Response();
174
175	44		if ($result instanceof Exception\ClientException) {
176			/* @var Exception\ClientException $cex */
177	23		$cex = $result;
178	23		$response->status($cex->getCode());
179	23		$response->headers($cex->getHeaders());
180	23		$response->data($cex->jsonSerialize());
181	44		} elseif ($result instanceof \Exception) {
182			/* @var \Exception $ex */
183			$ex = $result;
184			$response->status($ex->getCode());
185			$response->data([
186			'exception' => $ex->getMessage(),
187			'code' => $ex->getCode()
188			]);
189	23		} elseif (is_array($result)) {
190	23		if (count($result) === 3 && isset($result[0], $result[1], $result[2])) {
191			// This is a rack style response in the form [code, headers, body].
192			$response->status($result[0]);
193			$response->headers($result[1]);
194			$response->data($result[2]);
195	23		} elseif (array_key_exists('response', $result)) {
196	23		$resultResponse = $result['response'];
197	23		if (!$resultResponse) {
198	15		$response->data($result['body']);
199	15		} else {
200			// This is a dispatched response.
201	8		$response = static::create($resultResponse);
202			}
203
204			// Set the rest of the result to the response context.
205	23		unset($result['response']);
206	23		$response->meta($result, true);
207	23		} else {
208	8		$response->data($result);
209			}
210	23		} else {
211			$response->status(422);
212			$response->data([
213			'exception' => "Unknown result type for response.",
214			'code' => $response->status()
215			]);
216			}
217	44		return $response;
218			}
219
220			/**
221			* Gets or sets the content type.
222			*
223			* @param string\|null $value The new content type or null to get the current content type.
224			* @return Response\|string Returns the current content type or `$this` for fluent calls.
225			*/
226	44		public function contentType($value = null) {
227	44		if ($value === null) {
228	44		return $this->headers('Content-Type');
229			}
230
231	44		return $this->headers('Content-Type', $value);
232			}
233
234			/**
235			* Gets or sets the asset that will be rendered in the response.
236			*
237			* @param string $asset Set a new value or pass `null` to get the current value.
238			* @return Response\|string Returns the current content asset or `$this` when settings.
239			*/
240	44		public function contentAsset($asset = null) {
241	44		if ($asset !== null) {
242	44		$this->contentAsset = $asset;
243	44		return $this;
244			}
245
246	23		return $this->contentAsset;
247			}
248
249			/**
250			* Set the content type from an accept header.
251			*
252			* @param string $accept The value of the accept header.
253			* @return Response $this Returns `$this` for fluent calls.
254			*/
255	44		public function contentTypeFromAccept($accept) {
256	44		if (!empty($this->headers['Content-Type'])) {
257			return;
258			}
259
260	44		$accept = strtolower($accept);
261	44		if (strpos($accept, ',') === false) {
262	44		list($contentType) = explode(';', $accept);
263	44		} elseif (strpos($accept, 'text/html') !== false) {
264			$contentType = 'text/html';
265			} elseif (strpos($accept, 'application/rss+xml' !== false)) {
266			$contentType = 'application/rss+xml';
267			} elseif (strpos($accept, 'text/plain')) {
268			$contentType = 'text/plain';
269			} else {
270			$contentType = 'text/html';
271			}
272	44		$this->contentType($contentType);
273	44		return $this;
274			}
275
276			/**
277			* Translate an http code to its corresponding status message.
278			*
279			* @param int $statusCode The http status code.
280			* @param bool $header Whether or not the result should be in a form that can be passed to {@link header}.
281			* @return string Returns the status message corresponding to {@link $code}.
282			*/
283			public static function statusMessage($statusCode, $header = false) {
284			$message = val($statusCode, self::$messages, 'Unknown');
285
286			if ($header) {
287			return "HTTP/1.1 $statusCode $message";
288			} else {
289			return $message;
290			}
291			}
292
293			/**
294			* Gets or sets a cookie.
295			*
296			* @param string $name The name of the cookie.
297			* @param bool $value The value of the cookie. This value is stored on the clients computer; do not store sensitive information.
298			* @param int $expires The time the cookie expires. This is a Unix timestamp so is in number of seconds since the epoch.
299			* @param string $path The path on the server in which the cookie will be available on.
300			* If set to '/', the cookie will be available within the entire {@link $domain}.
301			* @param string $domain The domain that the cookie is available to.
302			* @param bool $secure Indicates that the cookie should only be transmitted over a secure HTTPS connection from the client.
303			* @param bool $httponly When TRUE the cookie will be made accessible only through the HTTP protocol.
304			* @return $this\|mixed Returns the cookie settings at {@link $name} or `$this` when setting a cookie for fluent calls.
305			*/
306			public function cookies($name, $value = false, $expires = 0, $path = null, $domain = null, $secure = false, $httponly = false) {
307			if ($value === false) {
308			return val($name, $this->cookies);
309			}
310
311			$this->cookies[$name] = [$value, $expires, $path, $domain, $secure, $httponly];
312			return $this;
313			}
314
315			/**
316			* Gets or sets a global cookie.
317			*
318			* Global cookies are used when you want to set a cookie, but a {@link Response} has not been created yet.
319			*
320			* @param string $name The name of the cookie.
321			* @param bool $value The value of the cookie. This value is stored on the clients computer; do not store sensitive information.
322			* @param int $expires The time the cookie expires. This is a Unix timestamp so is in number of seconds since the epoch.
323			* @param string $path The path on the server in which the cookie will be available on.
324			* If set to '/', the cookie will be available within the entire {@link $domain}.
325			* @param string $domain The domain that the cookie is available to.
326			* @param bool $secure Indicates that the cookie should only be transmitted over a secure HTTPS connection from the client.
327			* @param bool $httponly When TRUE the cookie will be made accessible only through the HTTP protocol.
328			* @return mixed\|null Returns the cookie settings at {@link $name} or `null` when setting a cookie.
329			*/
330			public static function globalCookies($name = null, $value = false, $expires = 0, $path = null, $domain = null, $secure = false, $httponly = false) {
331			if (self::$globalCookies === null) {
332			self::$globalCookies = [];
333			}
334
335			if ($name === null) {
336			return self::$globalCookies;
337			}
338
339			if ($value === false) {
340			return val($name, self::$globalCookies);
341			}
342
343			self::$globalCookies[$name] = [$value, $expires, $path, $domain, $secure, $httponly];
344			return null;
345			}
346
347			/**
348			* Get or set the meta data for the response.
349			*
350			* The meta is an array of data that is unrelated to the response data.
351			*
352			* @param array\|null $meta Pass a new meta data value or `null` to get the current meta array.
353			* @param bool $merge Whether or not to merge new data with the current data when setting.
354			* @return $this\|array Returns either the meta or `$this` when setting the meta data.
355			*/
356	44	View Code Duplication	public function meta($meta = null, $merge = false) {
357	44		if ($meta !== null) {
358	44		if ($merge) {
359	44		$this->meta = array_merge($this->meta, $meta);
360	44		} else {
361			$this->meta = $meta;
362			}
363	44		return $this;
364			} else {
365			return $this->meta;
366			}
367			}
368
369			/**
370			* Get or set the data for the response.
371			*
372			* @param array\|null $data Pass a new data value or `null` to get the current data array.
373			* @param bool $merge Whether or not to merge new data with the current data when setting.
374			* @return Response\|array Returns either the data or `$this` when setting the data.
375			*/
376	44	View Code Duplication	public function data($data = null, $merge = false) {
377	44		if ($data !== null) {
378	44		if ($merge) {
379			$this->data = array_merge($this->data, $data);
380			} else {
381	44		$this->data = $data;
382			}
383	44		return $this;
384			} else {
385			return $this->data;
386			}
387			}
388
389			/**
390			* Gets or sets headers.
391			*
392			* @param string\|array $name The name of the header or an array of headers.
393			* @param string\|null $value A new value for the header or null to get the current header.
394			* @param bool $replace Whether or not to replace the current header or append.
395			* @return Response\|string Returns the value of the header or `$this` for fluent calls.
396			*/
397	44		public function headers($name, $value = null, $replace = true) {
398	44		$headers = static::splitHeaders($name, $value);
399
400	44		if (is_string($headers)) {
401	44		return val($headers, $this->headers);
402			}
403
404	44		foreach ($headers as $name => $value) {
405	44		if ($replace \|\| !isset($this->headers[$name])) {
406	44		$this->headers[$name] = $value;
407	44		} else {
408			$this->headers[$name] = array_merge((array)$this->headers, [$value]);
409			}
410	44		}
411	44		return $this;
412			}
413
414			/**
415			* Gets or sets global headers.
416			*
417			* The global headers exist to allow code to queue up headers before the response has been constructed.
418			*
419			* @param string\|array\|null $name The name of the header or an array of headers.
420			* @param string\|null $value A new value for the header or null to get the current header.
421			* @param bool $replace Whether or not to replace the current header or append.
422			* @return string\|array Returns one of the following:
423			* - string\|array: Returns the current value of the header at {@link $name}.
424			* - array: Returns the entire global headers array when {@link $name} is not passed.
425			* - null: Returns `null` when setting a global header.
426			*/
427			public static function globalHeaders($name = null, $value = null, $replace = true) {
428			if (self::$globalHeaders === null) {
429			self::$globalHeaders = [
430			'P3P' => 'CP="CAO PSA OUR"'
431			];
432			}
433
434			if ($name === null) {
435			return self::$globalHeaders;
436			}
437
438			$headers = static::splitHeaders($name, $value);
439
440			if (is_string($headers)) {
441			return val($headers, self::$globalHeaders);
442			}
443
444			foreach ($headers as $name => $value) {
445			if ($replace \|\| !isset(self::$globalHeaders[$name])) {
446			self::$globalHeaders[$name] = $value;
447			} else {
448			self::$globalHeaders[$name] = array_merge((array)self::$globalHeaders, [$value]);
449			}
450			}
451			return null;
452			}
453
454			/**
455			* Split and normalize headers into a form appropriate for {@link $headers} or {@link $globalHeaders}.
456			*
457			* @param string\|array $name The name of the header or an array of headers.
458			* @param string\|null $value The header value if {@link $name} is a string.
459			* @return array\|string Returns one of the following:
460			* - array: An array of headers.
461			* - string: The header name if just a name was passed.
462			* @throws \InvalidArgumentException Throws an exception if {@link $name} is not a valid string or array.
463			*/
464	44		protected static function splitHeaders($name, $value = null) {
465	44		if (is_string($name)) {
466	44		if (strpos($name, ':') !== false) {
467			// The name is in the form Header: value.
468			list($name, $value) = explode(':', $name, 2);
469			return [static::normalizeHeader(trim($name)) => trim($value)];
470	44		} elseif ($value !== null) {
471	44		return [static::normalizeHeader($name) => $value];
472			} else {
473	44		return static::normalizeHeader($name);
474			}
475	23		} elseif (is_array($name)) {
476	23		$result = [];
477	23		foreach ($name as $key => $value) {
478	7		if (is_numeric($key)) {
479			// $value should be a header in the form Header: value.
480			list($key, $value) = explode(':', $value, 2);
481			}
482	7		$result[static::normalizeHeader(trim($key))] = trim($value);
483	23		}
484	23		return $result;
485			}
486			throw new \InvalidArgumentException("Argument #1 to splitHeaders() was not valid.", 422);
487			}
488
489			/**
490			* Normalize a header key to the proper casing.
491			*
492			* Example:
493			*
494			* ```
495			* echo static::normalizeHeader('CONTENT_TYPE');
496			*
497			* // Content-Type
498			* ```
499			*
500			* @param string $name The name of the header.
501			* @return string Returns the normalized header name.
502			*/
503	44		public static function normalizeHeader($name) {
504			static $special = [
505			'etag' => 'ETag', 'p3p' => 'P3P', 'www-authenticate' => 'WWW-Authenticate',
506			'x-ua-compatible' => 'X-UA-Compatible'
507	44		];
508
509	44		$name = str_replace(['-', '_'], ' ', strtolower($name));
510	44		if (isset($special[$name])) {
511			$name = $special[$name];
512			} else {
513	44		$name = str_replace(' ', '-', ucwords($name));
514			}
515	44		return $name;
516			}
517
518			/**
519			* Gets/sets the http status code.
520			*
521			* @param int $value The new value if setting the http status code.
522			* @return int The current http status code.
523			* @throws \InvalidArgumentException The new status is not a valid http status number.
524			*/
525	23		public function status($value = null) {
526	23		if ($value !== null) {
527	23		if (!isset(self::$messages[$value])) {
528			$this->headers('X-Original-Status', $value);
529			$value = 500;
530			}
531	23		$this->status = (int)$value;
532	23		}
533	23		return $this->status;
534			}
535
536			/**
537			* Flush the response to the client.
538			*/
539			public function flush() {
540			$this->flushHeaders();
541
542			echo json_encode($this->data, JSON_PRETTY_PRINT \| JSON_UNESCAPED_SLASHES);
543			}
544
545			/**
546			* Flush the headers to the browser.
547			*
548			* @param bool $global Whether or not to merge the global headers with this response.
549			*/
550			public function flushHeaders($global = true) {
551			if (headers_sent()) {
552			return;
553			}
554
555			if ($global) {
556			$cookies = array_replace(static::globalCookies(), $this->cookies);
557			$headers = array_replace(static::globalHeaders(), $this->headers);
558			} else {
559			$cookies = $this->cookies;
560			$headers = $this->headers;
561			}
562
563			// Set the cookies first.
564			foreach ($cookies as $name => $value) {
565			setcookie(
566			$name,
567			$value[0],
568			$value[1],
569			$value[2] !== null ? $value[2] : $this->defaultCookiePath,
570			$value[3] !== null ? $value[3] : $this->defaultCookieDomain,
571			$value[4],
572			$value[5]
573			);
574			}
575
576			// Set the response code.
577			header(static::statusMessage($this->status, true), true, $this->status);
578
579			$headers = array_filter($headers);
580
581			// The content type is a special case.
582			if (isset($headers['Content-Type'])) {
583			$contentType = (array)$headers['Content-Type'];
584			header('Content-Type: '.reset($contentType).'; charset=utf8', true);
585			unset($headers['Content-Type']);
586			}
587
588			// Flush the rest of the headers.
589			foreach ($headers as $name => $value) {
590			foreach ((array)$value as $hvalue) {
591			header("$name: $hvalue", false);
592			}
593			}
594			}
595
596			/**
597			* Specify data which should be serialized to JSON.
598			*
599			* @link http://php.net/manual/en/jsonserializable.jsonserialize.php
600			* @return mixed data which can be serialized by <b>json_encode</b>,
601			* which is a value of any type other than a resource.
602			*/
603	23		public function jsonSerialize() {
604	23		$asset = (string)$this->contentAsset();
605
606	23		if ($asset) {
607			// A specific asset was specified.
608	23		if (strpos($asset, '.') !== false) {
609	15		list($group, $key) = explode('.', $asset, 2);
610			switch ($group) {
611	15		case 'meta':
612	15		return val($key, $this->meta);
613			case 'data':
614			return val($key, $this->data);
615			default:
616			return null;
617			}
618			} else {
619			switch ($asset) {
620	8		case 'data':
621	8		return $this->data;
622			case 'meta':
623			return $this->meta;
624			default:
625			return null;
626			}
627			}
628			}
629			return $this->data;
630			}
631			}
632

vanilla / garden

Response::globalHeaders() C last analyzed 2017-08-29 15:20 UTC

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Response::globalHeaders() C
last analyzed 2017-08-29 15:20 UTC