MessageTrait::assertHeader() - Code Metrics - Inspection of "Мелкие правки описания" - mikopbx/Core - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 90372d...e80252 )

by Nikolay

created 2020-10-01 16:17 UTC

MessageTrait::assertHeader() A

↳ Parent: MessageTrait

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

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

<?php
/**
 * @see       https://github.com/zendframework/zend-diactoros for the canonical source repository
 * @copyright Copyright (c) 2015-2018 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
 */

declare(strict_types=1);

namespace Zend\Diactoros;

use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\StreamInterface;

use function array_map;
use function array_merge;
use function get_class;
use function gettype;
use function implode;
use function is_array;
use function is_object;
use function is_resource;
use function is_string;
use function preg_match;
use function sprintf;
use function strtolower;

/**
 * Trait implementing the various methods defined in MessageInterface.
 *
 * @see https://github.com/php-fig/http-message/tree/master/src/MessageInterface.php
 */
trait MessageTrait
{
    /**
     * List of all registered headers, as key => array of values.
     *
     * @var array
     */
    protected $headers = [];

    /**
     * Map of normalized header name to original name used to register header.
     *
     * @var array
     */
    protected $headerNames = [];

    /**
     * @var string
     */
    private $protocol = '1.1';

    /**
     * @var StreamInterface
     */
    private $stream;

    /**
     * Retrieves the HTTP protocol version as a string.
     *
     * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
     *
     * @return string HTTP protocol version.
     */
    public function getProtocolVersion() : string
    {
        return $this->protocol;
    }

    /**
     * Return an instance with the specified HTTP protocol version.
     *
     * The version string MUST contain only the HTTP version number (e.g.,
     * "1.1", "1.0").
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new protocol version.
     *
     * @param string $version HTTP protocol version
     * @return static
     */
    public function withProtocolVersion($version) : MessageInterface
    {
        $this->validateProtocolVersion($version);
        $new = clone $this;
        $new->protocol = $version;
        return $new;

    }

    /**
     * Retrieves all message headers.
     *
     * The keys represent the header name as it will be sent over the wire, and
     * each value is an array of strings associated with the header.
     *
     *     // Represent the headers as a string
     *     foreach ($message->getHeaders() as $name => $values) {
     *         echo $name . ": " . implode(", ", $values);
     *     }
     *
     *     // Emit headers iteratively:
     *     foreach ($message->getHeaders() as $name => $values) {
     *         foreach ($values as $value) {
     *             header(sprintf('%s: %s', $name, $value), false);
     *         }
     *     }
     *
     * @return array Returns an associative array of the message's headers. Each
     *     key MUST be a header name, and each value MUST be an array of strings.
     */
    public function getHeaders() : array
    {
        return $this->headers;
    }

    /**
     * Checks if a header exists by the given case-insensitive name.
     *
     * @param string $header Case-insensitive header name.
     * @return bool Returns true if any header names match the given header
     *     name using a case-insensitive string comparison. Returns false if
     *     no matching header name is found in the message.
     */
    public function hasHeader($header) : bool
    {
        return isset($this->headerNames[strtolower($header)]);
    }

    /**
     * Retrieves a message header value by the given case-insensitive name.
     *
     * This method returns an array of all the header values of the given
     * case-insensitive header name.
     *
     * If the header does not appear in the message, this method MUST return an
     * empty array.
     *
     * @param string $header Case-insensitive header field name.
     * @return string[] An array of string values as provided for the given
     *    header. If the header does not appear in the message, this method MUST
     *    return an empty array.
     */
    public function getHeader($header) : array
    {
        if (! $this->hasHeader($header)) {
            return [];
        }

        $header = $this->headerNames[strtolower($header)];

        return $this->headers[$header];
    }

    /**
     * Retrieves a comma-separated string of the values for a single header.
     *
     * This method returns all of the header values of the given
     * case-insensitive header name as a string concatenated together using
     * a comma.
     *
     * NOTE: Not all header values may be appropriately represented using
     * comma concatenation. For such headers, use getHeader() instead
     * and supply your own delimiter when concatenating.
     *
     * If the header does not appear in the message, this method MUST return
     * an empty string.
     *
     * @param string $name Case-insensitive header field name.
     * @return string A string of values as provided for the given header
     *    concatenated together using a comma. If the header does not appear in
     *    the message, this method MUST return an empty string.
     */
    public function getHeaderLine($name) : string
    {
        $value = $this->getHeader($name);
        if (empty($value)) {
            return '';
        }

        return implode(',', $value);
    }

    /**
     * Return an instance with the provided header, replacing any existing
     * values of any headers with the same case-insensitive name.
     *
     * While header names are case-insensitive, the casing of the header will
     * be preserved by this function, and returned from getHeaders().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new and/or updated header and value.
     *
     * @param string $header Case-insensitive header field name.
     * @param string|string[] $value Header value(s).
     * @return static
     * @throws Exception\InvalidArgumentException for invalid header names or values.
     */
    public function withHeader($header, $value) : MessageInterface
    {
        $this->assertHeader($header);

        $normalized = strtolower($header);

        $new = clone $this;
        if ($new->hasHeader($header)) {
            unset($new->headers[$new->headerNames[$normalized]]);
        }

        $value = $this->filterHeaderValue($value);

        $new->headerNames[$normalized] = $header;
        $new->headers[$header]         = $value;

        return $new;

    }

    /**
     * Return an instance with the specified header appended with the
     * given value.
     *
     * Existing values for the specified header will be maintained. The new
     * value(s) will be appended to the existing list. If the header did not
     * exist previously, it will be added.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new header and/or value.
     *
     * @param string $header Case-insensitive header field name to add.
     * @param string|string[] $value Header value(s).
     * @return static
     * @throws Exception\InvalidArgumentException for invalid header names or values.
     */
    public function withAddedHeader($header, $value) : MessageInterface
    {
        $this->assertHeader($header);

        if (! $this->hasHeader($header)) {
            return $this->withHeader($header, $value);

        }

        $header = $this->headerNames[strtolower($header)];

        $new = clone $this;
        $value = $this->filterHeaderValue($value);
        $new->headers[$header] = array_merge($this->headers[$header], $value);
        return $new;

    }

    /**
     * Return an instance without the specified header.
     *
     * Header resolution MUST be done without case-sensitivity.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that removes
     * the named header.
     *
     * @param string $header Case-insensitive header field name to remove.
     * @return static
     */
    public function withoutHeader($header) : MessageInterface
    {
        if (! $this->hasHeader($header)) {
            return clone $this;

        }

        $normalized = strtolower($header);
        $original   = $this->headerNames[$normalized];

        $new = clone $this;
        unset($new->headers[$original], $new->headerNames[$normalized]);
        return $new;

    }

    /**
     * Gets the body of the message.
     *
     * @return StreamInterface Returns the body as a stream.
     */
    public function getBody() : StreamInterface
    {
        return $this->stream;
    }

    /**
     * Return an instance with the specified message body.
     *
     * The body MUST be a StreamInterface object.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return a new instance that has the
     * new body stream.
     *
     * @param StreamInterface $body Body.
     * @return static
     * @throws Exception\InvalidArgumentException When the body is not valid.
     */
    public function withBody(StreamInterface $body) : MessageInterface
    {
        $new = clone $this;
        $new->stream = $body;
        return $new;

    }

    private function getStream($stream, string $modeIfNotInstance) : StreamInterface
    {
        if ($stream instanceof StreamInterface) {
            return $stream;
        }

        if (! is_string($stream) && ! is_resource($stream)) {
            throw new Exception\InvalidArgumentException(
                'Stream must be a string stream resource identifier, '
                . 'an actual stream resource, '
                . 'or a Psr\Http\Message\StreamInterface implementation'
            );
        }

        return new Stream($stream, $modeIfNotInstance);
    }

    /**
     * Filter a set of headers to ensure they are in the correct internal format.
     *
     * Used by message constructors to allow setting all initial headers at once.
     *
     * @param array $originalHeaders Headers to filter.
     */
    private function setHeaders(array $originalHeaders) : void
    {
        $headerNames = $headers = [];

        foreach ($originalHeaders as $header => $value) {
            $value = $this->filterHeaderValue($value);

            $this->assertHeader($header);

            $headerNames[strtolower($header)] = $header;
            $headers[$header] = $value;
        }

        $this->headerNames = $headerNames;
        $this->headers = $headers;
    }

    /**
     * Validate the HTTP protocol version
     *
     * @param string $version
     * @throws Exception\InvalidArgumentException on invalid HTTP protocol version
     */
    private function validateProtocolVersion($version) : void
    {
        if (empty($version)) {
            throw new Exception\InvalidArgumentException(
                'HTTP protocol version can not be empty'
            );
        }
        if (! is_string($version)) {

            throw new Exception\InvalidArgumentException(sprintf(
                'Unsupported HTTP protocol version; must be a string, received %s',
                (is_object($version) ? get_class($version) : gettype($version))
            ));
        }

        // HTTP/1 uses a "<major>.<minor>" numbering scheme to indicate
        // versions of the protocol, while HTTP/2 does not.
        if (! preg_match('#^(1\.[01]|2)$#', $version)) {
            throw new Exception\InvalidArgumentException(sprintf(
                'Unsupported HTTP protocol version "%s" provided',
                $version
            ));
        }
    }

    /**
     * @param mixed $values
     * @return string[]
     */
    private function filterHeaderValue($values) : array
    {
        if (! is_array($values)) {
            $values = [$values];
        }

        if ([] === $values) {
            throw new Exception\InvalidArgumentException(
                'Invalid header value: must be a string or array of strings; '
                . 'cannot be an empty array'
            );
        }

        return array_map(function ($value) {
            HeaderSecurity::assertValid($value);

            return (string) $value;
        }, array_values($values));
    }

    /**
     * Ensure header name and values are valid.
     *
     * @param string $name
     *
     * @throws Exception\InvalidArgumentException
     */
    private function assertHeader($name) : void
    {
        HeaderSecurity::assertValidName($name);
    }
}


1			<?php
2			/**
3			* @see https://github.com/zendframework/zend-diactoros for the canonical source repository
4			* @copyright Copyright (c) 2015-2018 Zend Technologies USA Inc. (http://www.zend.com)
5			* @license https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
6			*/
7
8			declare(strict_types=1);
9
10			namespace Zend\Diactoros;
11
12			use Psr\Http\Message\MessageInterface;
13			use Psr\Http\Message\StreamInterface;
14
15			use function array_map;
16			use function array_merge;
17			use function get_class;
18			use function gettype;
19			use function implode;
20			use function is_array;
21			use function is_object;
22			use function is_resource;
23			use function is_string;
24			use function preg_match;
25			use function sprintf;
26			use function strtolower;
27
28			/**
29			* Trait implementing the various methods defined in MessageInterface.
30			*
31			* @see https://github.com/php-fig/http-message/tree/master/src/MessageInterface.php
32			*/
33			trait MessageTrait
34			{
35			/**
36			* List of all registered headers, as key => array of values.
37			*
38			* @var array
39			*/
40			protected $headers = [];
41
42			/**
43			* Map of normalized header name to original name used to register header.
44			*
45			* @var array
46			*/
47			protected $headerNames = [];
48
49			/**
50			* @var string
51			*/
52			private $protocol = '1.1';
53
54			/**
55			* @var StreamInterface
56			*/
57			private $stream;
58
59			/**
60			* Retrieves the HTTP protocol version as a string.
61			*
62			* The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
63			*
64			* @return string HTTP protocol version.
65			*/
66			public function getProtocolVersion() : string
67			{
68			return $this->protocol;
69			}
70
71			/**
72			* Return an instance with the specified HTTP protocol version.
73			*
74			* The version string MUST contain only the HTTP version number (e.g.,
75			* "1.1", "1.0").
76			*
77			* This method MUST be implemented in such a way as to retain the
78			* immutability of the message, and MUST return an instance that has the
79			* new protocol version.
80			*
81			* @param string $version HTTP protocol version
82			* @return static
83			*/
84			public function withProtocolVersion($version) : MessageInterface
85			{
86			$this->validateProtocolVersion($version);
87			$new = clone $this;
88			$new->protocol = $version;
89			return $new;
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return $new` returns the type `Zend\Diactoros\MessageTrait` which is incompatible with the type-hinted return `Psr\Http\Message\MessageInterface`. Loading history...
90			}
91
92			/**
93			* Retrieves all message headers.
94			*
95			* The keys represent the header name as it will be sent over the wire, and
96			* each value is an array of strings associated with the header.
97			*
98			* // Represent the headers as a string
99			* foreach ($message->getHeaders() as $name => $values) {
100			* echo $name . ": " . implode(", ", $values);
101			* }
102			*
103			* // Emit headers iteratively:
104			* foreach ($message->getHeaders() as $name => $values) {
105			* foreach ($values as $value) {
106			* header(sprintf('%s: %s', $name, $value), false);
107			* }
108			* }
109			*
110			* @return array Returns an associative array of the message's headers. Each
111			* key MUST be a header name, and each value MUST be an array of strings.
112			*/
113			public function getHeaders() : array
114			{
115			return $this->headers;
116			}
117
118			/**
119			* Checks if a header exists by the given case-insensitive name.
120			*
121			* @param string $header Case-insensitive header name.
122			* @return bool Returns true if any header names match the given header
123			* name using a case-insensitive string comparison. Returns false if
124			* no matching header name is found in the message.
125			*/
126			public function hasHeader($header) : bool
127			{
128			return isset($this->headerNames[strtolower($header)]);
129			}
130
131			/**
132			* Retrieves a message header value by the given case-insensitive name.
133			*
134			* This method returns an array of all the header values of the given
135			* case-insensitive header name.
136			*
137			* If the header does not appear in the message, this method MUST return an
138			* empty array.
139			*
140			* @param string $header Case-insensitive header field name.
141			* @return string[] An array of string values as provided for the given
142			* header. If the header does not appear in the message, this method MUST
143			* return an empty array.
144			*/
145			public function getHeader($header) : array
146			{
147			if (! $this->hasHeader($header)) {
148			return [];
149			}
150
151			$header = $this->headerNames[strtolower($header)];
152
153			return $this->headers[$header];
154			}
155
156			/**
157			* Retrieves a comma-separated string of the values for a single header.
158			*
159			* This method returns all of the header values of the given
160			* case-insensitive header name as a string concatenated together using
161			* a comma.
162			*
163			* NOTE: Not all header values may be appropriately represented using
164			* comma concatenation. For such headers, use getHeader() instead
165			* and supply your own delimiter when concatenating.
166			*
167			* If the header does not appear in the message, this method MUST return
168			* an empty string.
169			*
170			* @param string $name Case-insensitive header field name.
171			* @return string A string of values as provided for the given header
172			* concatenated together using a comma. If the header does not appear in
173			* the message, this method MUST return an empty string.
174			*/
175			public function getHeaderLine($name) : string
176			{
177			$value = $this->getHeader($name);
178			if (empty($value)) {
179			return '';
180			}
181
182			return implode(',', $value);
183			}
184
185			/**
186			* Return an instance with the provided header, replacing any existing
187			* values of any headers with the same case-insensitive name.
188			*
189			* While header names are case-insensitive, the casing of the header will
190			* be preserved by this function, and returned from getHeaders().
191			*
192			* This method MUST be implemented in such a way as to retain the
193			* immutability of the message, and MUST return an instance that has the
194			* new and/or updated header and value.
195			*
196			* @param string $header Case-insensitive header field name.
197			* @param string\|string[] $value Header value(s).
198			* @return static
199			* @throws Exception\InvalidArgumentException for invalid header names or values.
200			*/
201			public function withHeader($header, $value) : MessageInterface
202			{
203			$this->assertHeader($header);
204
205			$normalized = strtolower($header);
206
207			$new = clone $this;
208			if ($new->hasHeader($header)) {
209			unset($new->headers[$new->headerNames[$normalized]]);
210			}
211
212			$value = $this->filterHeaderValue($value);
213
214			$new->headerNames[$normalized] = $header;
215			$new->headers[$header] = $value;
216
217			return $new;
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return $new` returns the type `Zend\Diactoros\MessageTrait` which is incompatible with the type-hinted return `Psr\Http\Message\MessageInterface`. Loading history...
218			}
219
220			/**
221			* Return an instance with the specified header appended with the
222			* given value.
223			*
224			* Existing values for the specified header will be maintained. The new
225			* value(s) will be appended to the existing list. If the header did not
226			* exist previously, it will be added.
227			*
228			* This method MUST be implemented in such a way as to retain the
229			* immutability of the message, and MUST return an instance that has the
230			* new header and/or value.
231			*
232			* @param string $header Case-insensitive header field name to add.
233			* @param string\|string[] $value Header value(s).
234			* @return static
235			* @throws Exception\InvalidArgumentException for invalid header names or values.
236			*/
237			public function withAddedHeader($header, $value) : MessageInterface
238			{
239			$this->assertHeader($header);
240
241			if (! $this->hasHeader($header)) {
242			return $this->withHeader($header, $value);
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return $this->withHeader($header, $value)` returns the type `Psr\Http\Message\MessageInterface` which is incompatible with the documented return type `Zend\Diactoros\MessageTrait`. Loading history...
243			}
244
245			$header = $this->headerNames[strtolower($header)];
246
247			$new = clone $this;
248			$value = $this->filterHeaderValue($value);
249			$new->headers[$header] = array_merge($this->headers[$header], $value);
250			return $new;
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return $new` returns the type `Zend\Diactoros\MessageTrait` which is incompatible with the type-hinted return `Psr\Http\Message\MessageInterface`. Loading history...
251			}
252
253			/**
254			* Return an instance without the specified header.
255			*
256			* Header resolution MUST be done without case-sensitivity.
257			*
258			* This method MUST be implemented in such a way as to retain the
259			* immutability of the message, and MUST return an instance that removes
260			* the named header.
261			*
262			* @param string $header Case-insensitive header field name to remove.
263			* @return static
264			*/
265			public function withoutHeader($header) : MessageInterface
266			{
267			if (! $this->hasHeader($header)) {
268			return clone $this;
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return clone $this` returns the type `Zend\Diactoros\MessageTrait` which is incompatible with the type-hinted return `Psr\Http\Message\MessageInterface`. Loading history...
269			}
270
271			$normalized = strtolower($header);
272			$original = $this->headerNames[$normalized];
273
274			$new = clone $this;
275			unset($new->headers[$original], $new->headerNames[$normalized]);
276			return $new;
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return $new` returns the type `Zend\Diactoros\MessageTrait` which is incompatible with the type-hinted return `Psr\Http\Message\MessageInterface`. Loading history...
277			}
278
279			/**
280			* Gets the body of the message.
281			*
282			* @return StreamInterface Returns the body as a stream.
283			*/
284			public function getBody() : StreamInterface
285			{
286			return $this->stream;
287			}
288
289			/**
290			* Return an instance with the specified message body.
291			*
292			* The body MUST be a StreamInterface object.
293			*
294			* This method MUST be implemented in such a way as to retain the
295			* immutability of the message, and MUST return a new instance that has the
296			* new body stream.
297			*
298			* @param StreamInterface $body Body.
299			* @return static
300			* @throws Exception\InvalidArgumentException When the body is not valid.
301			*/
302			public function withBody(StreamInterface $body) : MessageInterface
303			{
304			$new = clone $this;
305			$new->stream = $body;
306			return $new;
			0 ignored issues – show Bug Best Practice introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The expression `return $new` returns the type `Zend\Diactoros\MessageTrait` which is incompatible with the type-hinted return `Psr\Http\Message\MessageInterface`. Loading history...
307			}
308
309			private function getStream($stream, string $modeIfNotInstance) : StreamInterface
310			{
311			if ($stream instanceof StreamInterface) {
312			return $stream;
313			}
314
315			if (! is_string($stream) && ! is_resource($stream)) {
316			throw new Exception\InvalidArgumentException(
317			'Stream must be a string stream resource identifier, '
318			. 'an actual stream resource, '
319			. 'or a Psr\Http\Message\StreamInterface implementation'
320			);
321			}
322
323			return new Stream($stream, $modeIfNotInstance);
324			}
325
326			/**
327			* Filter a set of headers to ensure they are in the correct internal format.
328			*
329			* Used by message constructors to allow setting all initial headers at once.
330			*
331			* @param array $originalHeaders Headers to filter.
332			*/
333			private function setHeaders(array $originalHeaders) : void
334			{
335			$headerNames = $headers = [];
336
337			foreach ($originalHeaders as $header => $value) {
338			$value = $this->filterHeaderValue($value);
339
340			$this->assertHeader($header);
341
342			$headerNames[strtolower($header)] = $header;
343			$headers[$header] = $value;
344			}
345
346			$this->headerNames = $headerNames;
347			$this->headers = $headers;
348			}
349
350			/**
351			* Validate the HTTP protocol version
352			*
353			* @param string $version
354			* @throws Exception\InvalidArgumentException on invalid HTTP protocol version
355			*/
356			private function validateProtocolVersion($version) : void
357			{
358			if (empty($version)) {
359			throw new Exception\InvalidArgumentException(
360			'HTTP protocol version can not be empty'
361			);
362			}
363			if (! is_string($version)) {
			0 ignored issues – show introduced 2020-05-05 08:18 UTC by Report Bug Copy Issue Report The condition `is_string($version)` is always `true`. Loading history...
364			throw new Exception\InvalidArgumentException(sprintf(
365			'Unsupported HTTP protocol version; must be a string, received %s',
366			(is_object($version) ? get_class($version) : gettype($version))
367			));
368			}
369
370			// HTTP/1 uses a "<major>.<minor>" numbering scheme to indicate
371			// versions of the protocol, while HTTP/2 does not.
372			if (! preg_match('#^(1\.[01]\|2)$#', $version)) {
373			throw new Exception\InvalidArgumentException(sprintf(
374			'Unsupported HTTP protocol version "%s" provided',
375			$version
376			));
377			}
378			}
379
380			/**
381			* @param mixed $values
382			* @return string[]
383			*/
384			private function filterHeaderValue($values) : array
385			{
386			if (! is_array($values)) {
387			$values = [$values];
388			}
389
390			if ([] === $values) {
391			throw new Exception\InvalidArgumentException(
392			'Invalid header value: must be a string or array of strings; '
393			. 'cannot be an empty array'
394			);
395			}
396
397			return array_map(function ($value) {
398			HeaderSecurity::assertValid($value);
399
400			return (string) $value;
401			}, array_values($values));
402			}
403
404			/**
405			* Ensure header name and values are valid.
406			*
407			* @param string $name
408			*
409			* @throws Exception\InvalidArgumentException
410			*/
411			private function assertHeader($name) : void
412			{
413			HeaderSecurity::assertValidName($name);
414			}
415			}
416

mikopbx / Core

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MessageTrait::assertHeader() A

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