Message::normalizeHeaderName() - Code Metrics - Inspection of "v3.0.0" - sunrise-php/http-message - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#27)

by Anatoly

created 2022-12-31 00:02 UTC

Message::normalizeHeaderName() A

↳ Parent: Message

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

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

<?php declare(strict_types=1);

/**
 * It's free open-source software released under the MIT License.
 *
 * @author Anatoly Nekhay <[email protected]>
 * @copyright Copyright (c) 2018, Anatoly Nekhay
 * @license https://github.com/sunrise-php/http-message/blob/master/LICENSE
 * @link https://github.com/sunrise-php/http-message
 */

namespace Sunrise\Http\Message;

/**
 * Import classes
 */
use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\StreamInterface;
use Sunrise\Http\Message\Exception\InvalidArgumentException;
use Sunrise\Http\Message\Exception\InvalidHeaderException;
use Sunrise\Http\Message\Exception\InvalidHeaderNameException;
use Sunrise\Http\Message\Exception\InvalidHeaderValueException;
use Sunrise\Http\Message\Stream\PhpTempStream;

/**
 * Import functions
 */
use function implode;
use function in_array;
use function is_array;
use function is_string;
use function preg_match;
use function sprintf;
use function strtolower;

/**
 * Hypertext Transfer Protocol Message
 *
 * @link https://tools.ietf.org/html/rfc7230
 * @link https://www.php-fig.org/psr/psr-7/
 */
abstract class Message implements MessageInterface
{

    /**
     * Default HTTP version
     *
     * @var string
     */
    public const DEFAULT_HTTP_VERSION = '1.1';

    /**
     * Supported HTTP versions
     *
     * @var list<string>
     */
    public const SUPPORTED_HTTP_VERSIONS = ['1.0', '1.1', '2.0', '2'];

    /**
     * The message HTTP version
     *
     * @var string
     */
    private string $protocolVersion = self::DEFAULT_HTTP_VERSION;

    /**
     * The message headers
     *
     * @var array<string, list<string>>

     */
    private array $headers = [];

    /**
     * Original header names (see $headers)
     *
     * @var array<string, string>
     */
    private array $headerNames = [];

    /**
     * The message body
     *
     * @var StreamInterface|null
     */
    private ?StreamInterface $body = null;

    /**
     * Gets the message HTTP version
     *
     * @return string
     */
    public function getProtocolVersion(): string
    {
        return $this->protocolVersion;
    }

    /**
     * Creates a new instance of the message with the given HTTP version
     *
     * @param string $version
     *
     * @return static
     *
     * @throws InvalidArgumentException
     *         If the HTTP version isn't valid.
     */
    public function withProtocolVersion($version): MessageInterface
    {
        $clone = clone $this;
        $clone->setProtocolVersion($version);

        return $clone;
    }

    /**
     * Gets the message headers
     *
     * @return array<string, list<string>>

     */
    public function getHeaders(): array
    {
        return $this->headers;
    }

    /**
     * Checks if a header exists in the message by the given name
     *
     * @param string $name
     *
     * @return bool
     */
    public function hasHeader($name): bool
    {
        $key = strtolower($name);

        return isset($this->headerNames[$key]);
    }

    /**
     * Gets a header value from the message by the given name
     *
     * @param string $name
     *
     * @return list<string>
filter:
    dependency_paths: ["lib/*"]
     */
    public function getHeader($name): array
    {
        if (!$this->hasHeader($name)) {
            return [];

        }

        $key = strtolower($name);
        $originalName = $this->headerNames[$key];
        $value = $this->headers[$originalName];

        return $value;
    }

    /**
     * Gets a header value as a string from the message by the given name
     *
     * @param string $name
     *
     * @return string
     */
    public function getHeaderLine($name): string
    {
        $value = $this->getHeader($name);
        if ([] === $value) {
            return '';
        }

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

    /**
     * Creates a new instance of the message with the given header overwriting the old header
     *
     * @param string $name
     * @param string|string[] $value
     *
     * @return static
     *
     * @throws InvalidHeaderException
     *         If the header isn't valid.
     */
    public function withHeader($name, $value): MessageInterface
    {
        $clone = clone $this;
        $clone->setHeader($name, $value, true);

        return $clone;
    }

    /**
     * Creates a new instance of the message with the given header NOT overwriting the old header
     *
     * @param string $name
     * @param string|string[] $value
     *
     * @return static
     *
     * @throws InvalidHeaderException
     *         If the header isn't valid.
     */
    public function withAddedHeader($name, $value): MessageInterface
    {
        $clone = clone $this;
        $clone->setHeader($name, $value, false);

        return $clone;
    }

    /**
     * Creates a new instance of the message without a header by the given name
     *
     * @param string $name
     *
     * @return static
     */
    public function withoutHeader($name): MessageInterface
    {
        $clone = clone $this;
        $clone->deleteHeader($name);

        return $clone;
    }

    /**
     * Gets the message body
     *
     * @return StreamInterface
     */
    public function getBody(): StreamInterface
    {
        return $this->body ??= new PhpTempStream();
    }

    /**
     * Creates a new instance of the message with the given body
     *
     * @param StreamInterface $body
     *
     * @return static
     */
    public function withBody(StreamInterface $body): MessageInterface
    {
        $clone = clone $this;
        $clone->setBody($body);

        return $clone;
    }

    /**
     * Sets the given HTTP version to the message
     *
     * @param string $protocolVersion
     *
     * @return void
     *
     * @throws InvalidArgumentException
     *         If the HTTP version isn't valid.
     */
    final protected function setProtocolVersion($protocolVersion): void
    {
        $this->validateProtocolVersion($protocolVersion);

        $this->protocolVersion = $protocolVersion;
    }

    /**
     * Sets a new header to the message with the given name and value(s)
     *
     * @param string $name
     * @param string|string[] $value
     * @param bool $replace
     *
     * @return void
     *
     * @throws InvalidHeaderException
     *         If the header isn't valid.
     */
    final protected function setHeader($name, $value, bool $replace = true): void
    {
        if (!is_array($value)) {
            $value = [$value];
        }

        $this->validateHeaderName($name);
        $this->validateHeaderValue($name, $value);

        if ($replace) {
            $this->deleteHeader($name);
        }

        $key = strtolower($name);

        $this->headerNames[$key] ??= $name;
        $this->headers[$this->headerNames[$key]] ??= [];

        foreach ($value as $subvalue) {
            $this->headers[$this->headerNames[$key]][] = $subvalue;
        }
    }

    /**
     * Sets the given headers to the message
     *
     * @param array<string, string|string[]> $headers
     *
     * @return void
     *
     * @throws InvalidHeaderException
     *         If one of the headers isn't valid.
     */
    final protected function setHeaders(array $headers): void
    {
        foreach ($headers as $name => $value) {
            $this->setHeader($name, $value, false);
        }
    }

    /**
     * Deletes a header from the message by the given name
     *
     * @param string $name
     *
     * @return void
     */
    final protected function deleteHeader($name): void
    {
        $key = strtolower($name);

        if (isset($this->headerNames[$key])) {
            unset($this->headers[$this->headerNames[$key]]);
            unset($this->headerNames[$key]);
        }
    }

    /**
     * Sets the given body to the message
     *
     * @param StreamInterface $body
     *
     * @return void
     */
    final protected function setBody(StreamInterface $body): void
    {
        $this->body = $body;
    }

    /**
     * Validates the given HTTP version
     *
     * @param mixed $protocolVersion
     *
     * @return void
     *
     * @throws InvalidArgumentException
     *         If the HTTP version isn't valid.
     */
    private function validateProtocolVersion($protocolVersion): void
    {
        if (!in_array($protocolVersion, self::SUPPORTED_HTTP_VERSIONS, true)) {
            throw new InvalidArgumentException('Invalid or unsupported HTTP version');
        }
    }

    /**
     * Validates the given header name
     *
     * @param mixed $name
     *
     * @return void
     *
     * @throws InvalidHeaderNameException
     *         If the header name isn't valid.
     */
    private function validateHeaderName($name): void
    {
        if ($name === '') {
            throw new InvalidHeaderNameException('HTTP header name cannot be an empty');
        }

        if (!is_string($name)) {
            throw new InvalidHeaderNameException('HTTP header name must be a string');
        }

        if (!preg_match(Header::RFC7230_VALID_TOKEN, $name)) {
            throw new InvalidHeaderNameException('HTTP header name is invalid');
        }
    }

    /**
     * Validates the given header value
     *
     * @param string $validName
     * @param array $value
     *
     * @return void
     *
     * @throws InvalidHeaderValueException
     *         If the header value isn't valid.
     */
    private function validateHeaderValue(string $validName, array $value): void
    {
        if ([] === $value) {
            throw new InvalidHeaderValueException(sprintf(
                'The "%s" HTTP header value cannot be an empty array',
                $validName,
            ));
        }

        foreach ($value as $i => $subvalue) {
            if ('' === $subvalue) {
                continue;
            }

            if (!is_string($subvalue)) {
                throw new InvalidHeaderValueException(sprintf(
                    'The "%s[%d]" HTTP header value must be a string',
                    $validName,
                    $i
                ));
            }

            if (!preg_match(Header::RFC7230_VALID_FIELD_VALUE, $subvalue)) {
                throw new InvalidHeaderValueException(sprintf(
                    'The "%s[%d]" HTTP header value is invalid',
                    $validName,
                    $i
                ));
            }
        }
    }
}


1		<?php declare(strict_types=1);
2
3		/**
4		* It's free open-source software released under the MIT License.
5		*
6		* @author Anatoly Nekhay <[email protected]>
7		* @copyright Copyright (c) 2018, Anatoly Nekhay
8		* @license https://github.com/sunrise-php/http-message/blob/master/LICENSE
9		* @link https://github.com/sunrise-php/http-message
10		*/
11
12		namespace Sunrise\Http\Message;
13
14		/**
15		* Import classes
16		*/
17		use Psr\Http\Message\MessageInterface;
18		use Psr\Http\Message\StreamInterface;
19		use Sunrise\Http\Message\Exception\InvalidArgumentException;
20		use Sunrise\Http\Message\Exception\InvalidHeaderException;
21		use Sunrise\Http\Message\Exception\InvalidHeaderNameException;
22		use Sunrise\Http\Message\Exception\InvalidHeaderValueException;
23		use Sunrise\Http\Message\Stream\PhpTempStream;
24
25		/**
26		* Import functions
27		*/
28		use function implode;
29		use function in_array;
30		use function is_array;
31		use function is_string;
32		use function preg_match;
33		use function sprintf;
34		use function strtolower;
35
36		/**
37		* Hypertext Transfer Protocol Message
38		*
39		* @link https://tools.ietf.org/html/rfc7230
40		* @link https://www.php-fig.org/psr/psr-7/
41		*/
42		abstract class Message implements MessageInterface
43		{
44
45		/**
46		* Default HTTP version
47		*
48		* @var string
49		*/
50		public const DEFAULT_HTTP_VERSION = '1.1';
51
52		/**
53		* Supported HTTP versions
54		*
55		* @var list<string>
56		*/
57		public const SUPPORTED_HTTP_VERSIONS = ['1.0', '1.1', '2.0', '2'];
58
59		/**
60		* The message HTTP version
61		*
62		* @var string
63		*/
64		private string $protocolVersion = self::DEFAULT_HTTP_VERSION;
65
66		/**
67		* The message headers
68		*
69		* @var array<string, list<string>>
		0 ignored issues – show Documentation Bug introduced 2022-12-29 04:02 UTC by Report Bug Copy Issue Report The doc comment `array<string, list<string>>` at position `4` could not be parsed: Expected '>' at position 4, but found 'list'. Loading history...
70		*/
71		private array $headers = [];
72
73		/**
74		* Original header names (see $headers)
75		*
76		* @var array<string, string>
77		*/
78		private array $headerNames = [];
79
80		/**
81		* The message body
82		*
83		* @var StreamInterface\|null
84		*/
85		private ?StreamInterface $body = null;
86
87		/**
88		* Gets the message HTTP version
89		*
90		* @return string
91		*/
92	31	public function getProtocolVersion(): string
93		{
94	31	return $this->protocolVersion;
95		}
96
97		/**
98		* Creates a new instance of the message with the given HTTP version
99		*
100		* @param string $version
101		*
102		* @return static
103		*
104		* @throws InvalidArgumentException
105		* If the HTTP version isn't valid.
106		*/
107	71	public function withProtocolVersion($version): MessageInterface
108		{
109	71	$clone = clone $this;
110	71	$clone->setProtocolVersion($version);
111
112	14	return $clone;
113		}
114
115		/**
116		* Gets the message headers
117		*
118		* @return array<string, list<string>>
		0 ignored issues – show Documentation Bug introduced 2022-12-29 04:02 UTC by Report Bug Copy Issue Report The doc comment `array<string, list<string>>` at position `4` could not be parsed: Expected '>' at position 4, but found 'list'. Loading history...
119		*/
120	102	public function getHeaders(): array
121		{
122	102	return $this->headers;
123		}
124
125		/**
126		* Checks if a header exists in the message by the given name
127		*
128		* @param string $name
129		*
130		* @return bool
131		*/
132	63	public function hasHeader($name): bool
133		{
134	63	$key = strtolower($name);
135
136	63	return isset($this->headerNames[$key]);
137		}
138
139		/**
140		* Gets a header value from the message by the given name
141		*
142		* @param string $name
143		*
144		* @return list<string>
		0 ignored issues – show Bug introduced 2022-12-29 04:02 UTC by Report Bug Copy Issue Report The type `Sunrise\Http\Message\list` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
145		*/
146	55	public function getHeader($name): array
147		{
148	55	if (!$this->hasHeader($name)) {
149	11	return [];
		0 ignored issues – show Bug Best Practice introduced 2022-12-29 04:02 UTC by Report Bug Copy Issue Report The expression `return array()` returns the type `array` which is incompatible with the documented return type `Sunrise\Http\Message\list`. Loading history...
150		}
151
152	54	$key = strtolower($name);
153	54	$originalName = $this->headerNames[$key];
154	54	$value = $this->headers[$originalName];
155
156	54	return $value;
157		}
158
159		/**
160		* Gets a header value as a string from the message by the given name
161		*
162		* @param string $name
163		*
164		* @return string
165		*/
166	44	public function getHeaderLine($name): string
167		{
168	44	$value = $this->getHeader($name);
169	44	if ([] === $value) {
170	6	return '';
171		}
172
173	43	return implode(',', $value);
174		}
175
176		/**
177		* Creates a new instance of the message with the given header overwriting the old header
178		*
179		* @param string $name
180		* @param string\|string[] $value
181		*
182		* @return static
183		*
184		* @throws InvalidHeaderException
185		* If the header isn't valid.
186		*/
187	140	public function withHeader($name, $value): MessageInterface
188		{
189	140	$clone = clone $this;
190	140	$clone->setHeader($name, $value, true);
191
192	93	return $clone;
193		}
194
195		/**
196		* Creates a new instance of the message with the given header NOT overwriting the old header
197		*
198		* @param string $name
199		* @param string\|string[] $value
200		*
201		* @return static
202		*
203		* @throws InvalidHeaderException
204		* If the header isn't valid.
205		*/
206	105	public function withAddedHeader($name, $value): MessageInterface
207		{
208	105	$clone = clone $this;
209	105	$clone->setHeader($name, $value, false);
210
211	58	return $clone;
212		}
213
214		/**
215		* Creates a new instance of the message without a header by the given name
216		*
217		* @param string $name
218		*
219		* @return static
220		*/
221	8	public function withoutHeader($name): MessageInterface
222		{
223	8	$clone = clone $this;
224	8	$clone->deleteHeader($name);
225
226	8	return $clone;
227		}
228
229		/**
230		* Gets the message body
231		*
232		* @return StreamInterface
233		*/
234	17	public function getBody(): StreamInterface
235		{
236	17	return $this->body ??= new PhpTempStream();
237		}
238
239		/**
240		* Creates a new instance of the message with the given body
241		*
242		* @param StreamInterface $body
243		*
244		* @return static
245		*/
246	5	public function withBody(StreamInterface $body): MessageInterface
247		{
248	5	$clone = clone $this;
249	5	$clone->setBody($body);
250
251	5	return $clone;
252		}
253
254		/**
255		* Sets the given HTTP version to the message
256		*
257		* @param string $protocolVersion
258		*
259		* @return void
260		*
261		* @throws InvalidArgumentException
262		* If the HTTP version isn't valid.
263		*/
264	150	final protected function setProtocolVersion($protocolVersion): void
265		{
266	150	$this->validateProtocolVersion($protocolVersion);
267
268	74	$this->protocolVersion = $protocolVersion;
269		}
270
271		/**
272		* Sets a new header to the message with the given name and value(s)
273		*
274		* @param string $name
275		* @param string\|string[] $value
276		* @param bool $replace
277		*
278		* @return void
279		*
280		* @throws InvalidHeaderException
281		* If the header isn't valid.
282		*/
283	328	final protected function setHeader($name, $value, bool $replace = true): void
284		{
285	328	if (!is_array($value)) {
286	262	$value = [$value];
287		}
288
289	328	$this->validateHeaderName($name);
290	279	$this->validateHeaderValue($name, $value);
291
292	203	if ($replace) {
293	145	$this->deleteHeader($name);
294		}
295
296	203	$key = strtolower($name);
297
298	203	$this->headerNames[$key] ??= $name;
299	203	$this->headers[$this->headerNames[$key]] ??= [];
300
301	203	foreach ($value as $subvalue) {
302	203	$this->headers[$this->headerNames[$key]][] = $subvalue;
303		}
304		}
305
306		/**
307		* Sets the given headers to the message
308		*
309		* @param array<string, string\|string[]> $headers
310		*
311		* @return void
312		*
313		* @throws InvalidHeaderException
314		* If one of the headers isn't valid.
315		*/
316	105	final protected function setHeaders(array $headers): void
317		{
318	105	foreach ($headers as $name => $value) {
319	64	$this->setHeader($name, $value, false);
320		}
321		}
322
323		/**
324		* Deletes a header from the message by the given name
325		*
326		* @param string $name
327		*
328		* @return void
329		*/
330	147	final protected function deleteHeader($name): void
331		{
332	147	$key = strtolower($name);
333
334	147	if (isset($this->headerNames[$key])) {
335	20	unset($this->headers[$this->headerNames[$key]]);
336	20	unset($this->headerNames[$key]);
337		}
338		}
339
340		/**
341		* Sets the given body to the message
342		*
343		* @param StreamInterface $body
344		*
345		* @return void
346		*/
347	49	final protected function setBody(StreamInterface $body): void
348		{
349	49	$this->body = $body;
350		}
351
352		/**
353		* Validates the given HTTP version
354		*
355		* @param mixed $protocolVersion
356		*
357		* @return void
358		*
359		* @throws InvalidArgumentException
360		* If the HTTP version isn't valid.
361		*/
362	150	private function validateProtocolVersion($protocolVersion): void
363		{
364	150	if (!in_array($protocolVersion, self::SUPPORTED_HTTP_VERSIONS, true)) {
365	76	throw new InvalidArgumentException('Invalid or unsupported HTTP version');
366		}
367		}
368
369		/**
370		* Validates the given header name
371		*
372		* @param mixed $name
373		*
374		* @return void
375		*
376		* @throws InvalidHeaderNameException
377		* If the header name isn't valid.
378		*/
379	328	private function validateHeaderName($name): void
380		{
381	328	if ($name === '') {
382	13	throw new InvalidHeaderNameException('HTTP header name cannot be an empty');
383		}
384
385	315	if (!is_string($name)) {
386	27	throw new InvalidHeaderNameException('HTTP header name must be a string');
387		}
388
389	288	if (!preg_match(Header::RFC7230_VALID_TOKEN, $name)) {
390	9	throw new InvalidHeaderNameException('HTTP header name is invalid');
391		}
392		}
393
394		/**
395		* Validates the given header value
396		*
397		* @param string $validName
398		* @param array $value
399		*
400		* @return void
401		*
402		* @throws InvalidHeaderValueException
403		* If the header value isn't valid.
404		*/
405	279	private function validateHeaderValue(string $validName, array $value): void
406		{
407	279	if ([] === $value) {
408	13	throw new InvalidHeaderValueException(sprintf(
409	13	'The "%s" HTTP header value cannot be an empty array',
410	13	$validName,
411	13	));
412		}
413
414	266	foreach ($value as $i => $subvalue) {
415	266	if ('' === $subvalue) {
416	17	continue;
417		}
418
419	254	if (!is_string($subvalue)) {
420	44	throw new InvalidHeaderValueException(sprintf(
421	44	'The "%s[%d]" HTTP header value must be a string',
422	44	$validName,
423	44	$i
424	44	));
425		}
426
427	228	if (!preg_match(Header::RFC7230_VALID_FIELD_VALUE, $subvalue)) {
428	20	throw new InvalidHeaderValueException(sprintf(
429	20	'The "%s[%d]" HTTP header value is invalid',
430	20	$validName,
431	20	$i
432	20	));
433		}
434		}
435		}
436		}
437

sunrise-php / http-message

Pull Request — master (#27)

Message::normalizeHeaderName() A

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