1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | namespace Yiisoft\Yii\Web\Middleware; |
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6 | |||
7 | use Psr\Http\Message\ResponseInterface; |
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8 | use Psr\Http\Message\ServerRequestInterface; |
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9 | use Psr\Http\Server\MiddlewareInterface; |
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10 | use Psr\Http\Server\RequestHandlerInterface; |
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11 | use Yiisoft\Aliases\Aliases; |
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12 | use Yiisoft\Router\UrlGeneratorInterface; |
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13 | use Yiisoft\Yii\Web\Exception\BadUriPrefixException; |
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14 | |||
15 | use function strlen; |
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16 | |||
17 | /** |
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18 | * This middleware supports routing when webroot is not the same folder as public |
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19 | */ |
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20 | final class SubFolder implements MiddlewareInterface |
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21 | { |
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22 | private UrlGeneratorInterface $uriGenerator; |
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23 | private Aliases $aliases; |
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24 | private ?string $prefix; |
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25 | private ?string $alias; |
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26 | |||
27 | 12 | public function __construct( |
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28 | UrlGeneratorInterface $uriGenerator, |
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29 | Aliases $aliases, |
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30 | ?string $prefix = null, |
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31 | ?string $alias = null |
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32 | ) { |
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33 | 12 | $this->uriGenerator = $uriGenerator; |
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34 | 12 | $this->aliases = $aliases; |
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35 | 12 | $this->prefix = $prefix; |
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36 | 12 | $this->alias = $alias; |
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37 | 12 | } |
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38 | |||
39 | 12 | public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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40 | { |
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41 | 12 | $uri = $request->getUri(); |
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42 | 12 | $path = $uri->getPath(); |
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43 | 12 | $prefix = $this->prefix; |
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44 | 12 | $auto = $prefix === null; |
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45 | 12 | $length = $auto ? 0 : strlen($prefix); |
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46 | |||
47 | 12 | if ($auto) { |
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48 | // automatically checks that the project is in a subfolder |
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49 | // and URI contains a prefix |
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50 | 7 | $scriptName = $request->getServerParams()['SCRIPT_NAME']; |
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51 | 7 | if (strpos($scriptName, '/', 1) !== false) { |
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52 | 6 | $tmpPrefix = substr($scriptName, 0, strrpos($scriptName, '/')); |
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53 | 6 | if (strpos($path, $tmpPrefix) === 0) { |
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54 | 5 | $prefix = $tmpPrefix; |
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55 | 7 | $length = strlen($prefix); |
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56 | } |
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57 | } |
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58 | 5 | } elseif ($length > 0) { |
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59 | 5 | if ($prefix[-1] === '/') { |
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60 | 1 | throw new BadUriPrefixException('Wrong URI prefix value'); |
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61 | } |
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62 | 4 | if (strpos($path, $prefix) !== 0) { |
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63 | 2 | throw new BadUriPrefixException('URI prefix does not match'); |
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64 | } |
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65 | } |
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66 | |||
67 | 9 | if ($length > 0) { |
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68 | 7 | $newPath = substr($path, $length); |
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69 | 7 | if ($newPath === '') { |
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70 | 1 | $newPath = '/'; |
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71 | } |
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72 | 7 | if ($newPath[0] !== '/') { |
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73 | 2 | if (!$auto) { |
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74 | 2 | throw new BadUriPrefixException('URI prefix does not match completely'); |
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75 | } |
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76 | } else { |
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77 | 5 | $request = $request->withUri($uri->withPath($newPath)); |
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78 | 5 | $this->uriGenerator->setUriPrefix($prefix); |
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79 | |||
80 | 5 | if ($this->alias !== null) { |
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81 | 5 | $this->aliases->set($this->alias, $prefix . '/'); |
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82 | } |
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83 | } |
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84 | } |
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85 | |||
86 | 8 | return $handler->handle($request); |
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87 | } |
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88 | } |
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89 |