Locale::withBaseUrlAlias() - Code Metrics - Inspection of "Fix #30, #31: Improve `SubFolder` middleware, dete..." - yiisoft/yii-middleware - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 0e5f33...6b937f )

by Rustam

created 2023-03-01 10:20 UTC

Locale::withBaseUrlAlias() A

↳ Parent: Locale

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	3
nc	1
nop	1
dl	0
loc	5
ccs	4
cts	4
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Yiisoft\Yii\Middleware;

use DateInterval;
use Psr\Http\Message\ResponseFactoryInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Psr\Log\LoggerInterface;
use Yiisoft\Aliases\Aliases;
use Yiisoft\Cookies\Cookie;
use Yiisoft\Http\Header;
use Yiisoft\Http\Method;
use Yiisoft\Http\Status;
use Yiisoft\Router\UrlGeneratorInterface;
use Yiisoft\Session\SessionInterface;
use Yiisoft\Strings\WildcardPattern;
use Yiisoft\Translator\TranslatorInterface;

final class Locale implements MiddlewareInterface
{
    private const DEFAULT_LOCALE = 'en';
    private const DEFAULT_LOCALE_NAME = '_language';

    private bool $enableSaveLocale = true;
    private bool $enableDetectLocale = false;
    private string $defaultLocale = self::DEFAULT_LOCALE;
    private string $queryParameterName = self::DEFAULT_LOCALE_NAME;
    private string $sessionName = self::DEFAULT_LOCALE_NAME;
    private ?DateInterval $cookieDuration;

    public function __construct(
        private TranslatorInterface $translator,
        private UrlGeneratorInterface $urlGenerator,
        private SessionInterface $session,
        private Aliases $aliases,
        private LoggerInterface $logger,
        private ResponseFactoryInterface $responseFactory,
        private array $locales = [],
        private array $ignoredRequests = [],
        private bool $cookieSecure = false,
        private string $baseUrlAlias = '@baseUrl',
    ) {
        $this->cookieDuration = new DateInterval('P30D');
    }

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        if ($this->locales === []) {
            return $handler->handle($request);
        }

        $uri = $request->getUri();
        $path = $uri->getPath();
        $query = $uri->getQuery();

        [$locale, $country] = $this->getLocaleFromPath($path);

        if ($locale !== null) {
            $this->translator->setLocale($locale);
            $this->urlGenerator->setDefaultArgument($this->queryParameterName, $locale);

            $response = $handler->handle($request);
            $newPath = null;
            if ($this->isDefaultLocale($locale, $country) && $request->getMethod() === Method::GET) {
                $length = strlen($locale);
                $newPath = substr($path, $length + 1);
            }
            return $this->applyLocaleFromPath($locale, $response, $query, $newPath);
        }
        if ($this->enableSaveLocale) {
            [$locale, $country] = $this->getLocaleFromRequest($request);
        }
        if ($locale === null && $this->enableDetectLocale) {
            [$locale, $country] = $this->detectLocale($request);
        }
        if ($locale === null || $this->isDefaultLocale($locale, $country) || $this->isRequestIgnored($request)) {
            $this->urlGenerator->setDefaultArgument($this->queryParameterName, null);
            $request = $request->withUri($uri->withPath('/' . $this->defaultLocale . $path));
            return $handler->handle($request);
        }

        $this->translator->setLocale($locale);
        $this->urlGenerator->setDefaultArgument($this->queryParameterName, $locale);

        if ($request->getMethod() === Method::GET) {
            $location = rtrim($this->aliases->get($this->baseUrlAlias), '/') . '/'
                . $locale . $path . ($query !== '' ? '?' . $query : '');
            return $this->responseFactory
                ->createResponse(Status::FOUND)
                ->withHeader(Header::LOCATION, $location);
        }


        return $handler->handle($request);
    }

    private function applyLocaleFromPath(
        string $locale,
        ResponseInterface $response,
        string $query,
        ?string $newPath = null,
    ): ResponseInterface {
        if ($newPath === '') {
            $newPath = '/';
        }

        if ($newPath !== null) {
            $location = rtrim($this->aliases->get($this->baseUrlAlias), '/')
                . $newPath . ($query !== '' ? '?' . $query : '');
            $response = $this->responseFactory
                ->createResponse(Status::FOUND)
                ->withHeader(Header::LOCATION, $location);
        }
        if ($this->enableSaveLocale) {
            $response = $this->saveLocale($locale, $response);
        }
        return $response;
    }

    private function getLocaleFromPath(string $path): array
    {
        $parts = [];
        foreach ($this->locales as $code => $locale) {
            $lang = is_string($code) ? $code : $locale;
            $parts[] = $lang;
        }

        $pattern = implode('|', $parts);
        if (preg_match("#^/($pattern)\b(/?)#i", $path, $matches)) {
            $locale = $matches[1];
            [$locale, $country] = $this->parseLocale($locale);
            if (isset($this->locales[$locale])) {
                $this->logger->debug(sprintf("Locale '%s' found in URL", $locale));
                return [$locale, $country];
            }
        }
        return [null, null];
    }

    private function getLocaleFromRequest(ServerRequestInterface $request): array
    {
        $cookies = $request->getCookieParams();
        if (isset($cookies[$this->sessionName])) {
            $this->logger->debug(sprintf("Locale '%s' found in cookies", $cookies[$this->sessionName]));
            return $this->parseLocale($cookies[$this->sessionName]);
        }
        $queryParameters = $request->getQueryParams();
        if (isset($queryParameters[$this->queryParameterName])) {
            $this->logger->debug(
                sprintf("Locale '%s' found in query string", $queryParameters[$this->queryParameterName])
            );
            return $this->parseLocale($queryParameters[$this->queryParameterName]);
        }
        return [null, null];
    }

    private function isDefaultLocale(string $locale, ?string $country): bool
    {
        return $locale === $this->defaultLocale || ($country !== null && $this->defaultLocale === "$locale-$country");
    }

    private function detectLocale(ServerRequestInterface $request): array
    {
        foreach ($request->getHeader(Header::ACCEPT_LANGUAGE) as $language) {
            return $this->parseLocale($language);
        }
        return [null, null];
    }

    private function saveLocale(string $locale, ResponseInterface $response): ResponseInterface
    {
        $this->logger->debug('Saving found locale to cookies');
        $this->session->set($this->sessionName, $locale);
        $cookie = new Cookie(name: $this->sessionName, value: $locale, secure: $this->cookieSecure);
        if ($this->cookieDuration !== null) {
            $cookie = $cookie->withMaxAge($this->cookieDuration);
        }
        return $cookie->addToResponse($response);
    }

    private function parseLocale(string $locale): array
    {
        if (str_contains($locale, '-')) {
            return explode('-', $locale, 2);
        }

        if (str_contains($locale, '_')) {
            return explode('_', $locale, 2);
        }
        if (isset($this->locales[$locale]) && str_contains($this->locales[$locale], '-')) {
            return explode('-', $this->locales[$locale], 2);
        }
        return [$locale, null];
    }

    private function isRequestIgnored(ServerRequestInterface $request): bool
    {
        foreach ($this->ignoredRequests as $ignoredRequest) {
            if ((new WildcardPattern($ignoredRequest))->match($request->getUri()->getPath())) {
                return true;
            }
        }
        return false;
    }

    public function withLocales(array $locales): self
    {
        $new = clone $this;
        $new->locales = $locales;
        return $new;
    }

    public function withDefaultLocale(string $defaultLocale): self
    {
        $new = clone $this;
        $new->defaultLocale = $defaultLocale;
        return $new;
    }

    public function withQueryParameterName(string $queryParameterName): self
    {
        $new = clone $this;
        $new->queryParameterName = $queryParameterName;
        return $new;
    }

    public function withSessionName(string $sessionName): self
    {
        $new = clone $this;
        $new->sessionName = $sessionName;
        return $new;
    }

    public function withEnableSaveLocale(bool $enableSaveLocale): self
    {
        $new = clone $this;
        $new->enableSaveLocale = $enableSaveLocale;
        return $new;
    }

    public function withEnableDetectLocale(bool $enableDetectLocale): self
    {
        $new = clone $this;
        $new->enableDetectLocale = $enableDetectLocale;
        return $new;
    }

    public function withIgnoredRequests(array $ignoredRequests): self
    {
        $new = clone $this;
        $new->ignoredRequests = $ignoredRequests;
        return $new;
    }

    public function withCookieSecure(bool $secure): self
    {
        $new = clone $this;
        $new->cookieSecure = $secure;
        return $new;
    }

    public function withBaseUrlAlias(string $baseUrlAlias): self
    {
        $new = clone $this;
        $new->baseUrlAlias = $baseUrlAlias;
        return $new;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Yii\Middleware;
6
7		use DateInterval;
8		use Psr\Http\Message\ResponseFactoryInterface;
9		use Psr\Http\Message\ResponseInterface;
10		use Psr\Http\Message\ServerRequestInterface;
11		use Psr\Http\Server\MiddlewareInterface;
12		use Psr\Http\Server\RequestHandlerInterface;
13		use Psr\Log\LoggerInterface;
14		use Yiisoft\Aliases\Aliases;
15		use Yiisoft\Cookies\Cookie;
16		use Yiisoft\Http\Header;
17		use Yiisoft\Http\Method;
18		use Yiisoft\Http\Status;
19		use Yiisoft\Router\UrlGeneratorInterface;
20		use Yiisoft\Session\SessionInterface;
21		use Yiisoft\Strings\WildcardPattern;
22		use Yiisoft\Translator\TranslatorInterface;
23
24		final class Locale implements MiddlewareInterface
25		{
26		private const DEFAULT_LOCALE = 'en';
27		private const DEFAULT_LOCALE_NAME = '_language';
28
29		private bool $enableSaveLocale = true;
30		private bool $enableDetectLocale = false;
31		private string $defaultLocale = self::DEFAULT_LOCALE;
32		private string $queryParameterName = self::DEFAULT_LOCALE_NAME;
33		private string $sessionName = self::DEFAULT_LOCALE_NAME;
34		private ?DateInterval $cookieDuration;
35
36	13	public function __construct(
37		private TranslatorInterface $translator,
38		private UrlGeneratorInterface $urlGenerator,
39		private SessionInterface $session,
40		private Aliases $aliases,
41		private LoggerInterface $logger,
42		private ResponseFactoryInterface $responseFactory,
43		private array $locales = [],
44		private array $ignoredRequests = [],
45		private bool $cookieSecure = false,
46		private string $baseUrlAlias = '@baseUrl',
47		) {
48	13	$this->cookieDuration = new DateInterval('P30D');
49		}
50
51	12	public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
52		{
53	12	if ($this->locales === []) {
54	1	return $handler->handle($request);
55		}
56
57	11	$uri = $request->getUri();
58	11	$path = $uri->getPath();
59	11	$query = $uri->getQuery();
60
61	11	[$locale, $country] = $this->getLocaleFromPath($path);
62
63	11	if ($locale !== null) {
64	5	$this->translator->setLocale($locale);
65	5	$this->urlGenerator->setDefaultArgument($this->queryParameterName, $locale);
66
67	5	$response = $handler->handle($request);
68	5	$newPath = null;
69	5	if ($this->isDefaultLocale($locale, $country) && $request->getMethod() === Method::GET) {
70	3	$length = strlen($locale);
71	3	$newPath = substr($path, $length + 1);
72		}
73	5	return $this->applyLocaleFromPath($locale, $response, $query, $newPath);
74		}
75	6	if ($this->enableSaveLocale) {
76	6	[$locale, $country] = $this->getLocaleFromRequest($request);
77		}
78	6	if ($locale === null && $this->enableDetectLocale) {
79	2	[$locale, $country] = $this->detectLocale($request);
80		}
81	6	if ($locale === null \|\| $this->isDefaultLocale($locale, $country) \|\| $this->isRequestIgnored($request)) {
82	2	$this->urlGenerator->setDefaultArgument($this->queryParameterName, null);
83	2	$request = $request->withUri($uri->withPath('/' . $this->defaultLocale . $path));
84	2	return $handler->handle($request);
85		}
86
87	4	$this->translator->setLocale($locale);
88	4	$this->urlGenerator->setDefaultArgument($this->queryParameterName, $locale);
89
90	4	if ($request->getMethod() === Method::GET) {
91	3	$location = rtrim($this->aliases->get($this->baseUrlAlias), '/') . '/'
92	3	. $locale . $path . ($query !== '' ? '?' . $query : '');
93	3	return $this->responseFactory
94	3	->createResponse(Status::FOUND)
95	3	->withHeader(Header::LOCATION, $location);
96		}
97
98
99	1	return $handler->handle($request);
100		}
101
102	5	private function applyLocaleFromPath(
103		string $locale,
104		ResponseInterface $response,
105		string $query,
106		?string $newPath = null,
107		): ResponseInterface {
108	5	if ($newPath === '') {
109	1	$newPath = '/';
110		}
111
112	5	if ($newPath !== null) {
113	3	$location = rtrim($this->aliases->get($this->baseUrlAlias), '/')
114	3	. $newPath . ($query !== '' ? '?' . $query : '');
115	3	$response = $this->responseFactory
116	3	->createResponse(Status::FOUND)
117	3	->withHeader(Header::LOCATION, $location);
118		}
119	5	if ($this->enableSaveLocale) {
120	5	$response = $this->saveLocale($locale, $response);
121		}
122	5	return $response;
123		}
124
125	11	private function getLocaleFromPath(string $path): array
126		{
127	11	$parts = [];
128	11	foreach ($this->locales as $code => $locale) {
129	11	$lang = is_string($code) ? $code : $locale;
130	11	$parts[] = $lang;
131		}
132
133	11	$pattern = implode('\|', $parts);
134	11	if (preg_match("#^/($pattern)\b(/?)#i", $path, $matches)) {
135	5	$locale = $matches[1];
136	5	[$locale, $country] = $this->parseLocale($locale);
137	5	if (isset($this->locales[$locale])) {
138	5	$this->logger->debug(sprintf("Locale '%s' found in URL", $locale));
139	5	return [$locale, $country];
140		}
141		}
142	6	return [null, null];
143		}
144
145	6	private function getLocaleFromRequest(ServerRequestInterface $request): array
146		{
147	6	$cookies = $request->getCookieParams();
148	6	if (isset($cookies[$this->sessionName])) {
149	1	$this->logger->debug(sprintf("Locale '%s' found in cookies", $cookies[$this->sessionName]));
150	1	return $this->parseLocale($cookies[$this->sessionName]);
151		}
152	5	$queryParameters = $request->getQueryParams();
153	5	if (isset($queryParameters[$this->queryParameterName])) {
154	3	$this->logger->debug(
155	3	sprintf("Locale '%s' found in query string", $queryParameters[$this->queryParameterName])
156	3	);
157	3	return $this->parseLocale($queryParameters[$this->queryParameterName]);
158		}
159	2	return [null, null];
160		}
161
162	10	private function isDefaultLocale(string $locale, ?string $country): bool
163		{
164	10	return $locale === $this->defaultLocale \|\| ($country !== null && $this->defaultLocale === "$locale-$country");
165		}
166
167	2	private function detectLocale(ServerRequestInterface $request): array
168		{
169	2	foreach ($request->getHeader(Header::ACCEPT_LANGUAGE) as $language) {
170	1	return $this->parseLocale($language);
171		}
172	1	return [null, null];
173		}
174
175	5	private function saveLocale(string $locale, ResponseInterface $response): ResponseInterface
176		{
177	5	$this->logger->debug('Saving found locale to cookies');
178	5	$this->session->set($this->sessionName, $locale);
179	5	$cookie = new Cookie(name: $this->sessionName, value: $locale, secure: $this->cookieSecure);
180	5	if ($this->cookieDuration !== null) {
181	5	$cookie = $cookie->withMaxAge($this->cookieDuration);
182		}
183	5	return $cookie->addToResponse($response);
184		}
185
186	10	private function parseLocale(string $locale): array
187		{
188	10	if (str_contains($locale, '-')) {
189		return explode('-', $locale, 2);
190		}
191
192	10	if (str_contains($locale, '_')) {
193		return explode('_', $locale, 2);
194		}
195	10	if (isset($this->locales[$locale]) && str_contains($this->locales[$locale], '-')) {
196	10	return explode('-', $this->locales[$locale], 2);
197		}
198		return [$locale, null];
199		}
200
201	5	private function isRequestIgnored(ServerRequestInterface $request): bool
202		{
203	5	foreach ($this->ignoredRequests as $ignoredRequest) {
204	1	if ((new WildcardPattern($ignoredRequest))->match($request->getUri()->getPath())) {
205	1	return true;
206		}
207		}
208	4	return false;
209		}
210
211	1	public function withLocales(array $locales): self
212		{
213	1	$new = clone $this;
214	1	$new->locales = $locales;
215	1	return $new;
216		}
217
218	3	public function withDefaultLocale(string $defaultLocale): self
219		{
220	3	$new = clone $this;
221	3	$new->defaultLocale = $defaultLocale;
222	3	return $new;
223		}
224
225	1	public function withQueryParameterName(string $queryParameterName): self
226		{
227	1	$new = clone $this;
228	1	$new->queryParameterName = $queryParameterName;
229	1	return $new;
230		}
231
232	1	public function withSessionName(string $sessionName): self
233		{
234	1	$new = clone $this;
235	1	$new->sessionName = $sessionName;
236	1	return $new;
237		}
238
239	1	public function withEnableSaveLocale(bool $enableSaveLocale): self
240		{
241	1	$new = clone $this;
242	1	$new->enableSaveLocale = $enableSaveLocale;
243	1	return $new;
244		}
245
246	3	public function withEnableDetectLocale(bool $enableDetectLocale): self
247		{
248	3	$new = clone $this;
249	3	$new->enableDetectLocale = $enableDetectLocale;
250	3	return $new;
251		}
252
253	2	public function withIgnoredRequests(array $ignoredRequests): self
254		{
255	2	$new = clone $this;
256	2	$new->ignoredRequests = $ignoredRequests;
257	2	return $new;
258		}
259
260	1	public function withCookieSecure(bool $secure): self
261		{
262	1	$new = clone $this;
263	1	$new->cookieSecure = $secure;
264	1	return $new;
265		}
266
267	1	public function withBaseUrlAlias(string $baseUrlAlias): self
268		{
269	1	$new = clone $this;
270	1	$new->baseUrlAlias = $baseUrlAlias;
271	1	return $new;
272		}
273		}
274

yiisoft / yii-middleware

Push — master ( 0e5f33...6b937f )

Locale::withBaseUrlAlias() A

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Duplication

Code Coverage

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