BasePath::__invoke() - Code Metrics - oscarotero/psr7-middlewares - Measure and Improve Code Quality continuously with Scrutinizer

BasePath::__invoke() A
last analyzed 2018-01-27 20:45 UTC

↳ Parent: BasePath

Complexity

Conditions	2
Paths	2

Size

Total Lines	19
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	19
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	11
nc	2
nop	3

<?php

namespace Psr7Middlewares\Middleware;

use Psr7Middlewares\Utils;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Middleware to strip the path prefix.
 */
class BasePath
{
    const KEY = 'BASE_PATH';
    const KEY_GENERATOR = 'BASE_PATH_GENERATOR';

    use Utils\BasePathTrait;
    use Utils\AttributeTrait;

    /**
     * @var bool
     */
    private $autodetect = false;

    /**
     * Returns the basePath.
     *
     * @param ServerRequestInterface $request
     *
     * @return string|null
     */
    public static function getBasePath(ServerRequestInterface $request)
    {
        return self::getAttribute($request, self::KEY);
    }

    /**
     * Returns a callable to build a full path.
     *
     * @param ServerRequestInterface $request
     *
     * @return callable|null
     */
    public static function getGenerator(ServerRequestInterface $request)
    {
        return self::getAttribute($request, self::KEY_GENERATOR);
    }

    /**
     * Constructor. Set the path prefix.
     *
     * @param string|null $basePath
     */
    public function __construct($basePath = null)
    {
        if ($basePath !== null) {
            $this->basePath($basePath);
        }
    }

    /**
     * Autodetect the basePath.
     *
     * @param bool $autodetect
     *
     * @return self
     */
    public function autodetect($autodetect = true)
    {
        $this->autodetect = $autodetect;

        return $this;
    }

    /**
     * Execute the middleware.
     *
     * @param ServerRequestInterface $request
     * @param ResponseInterface      $response
     * @param callable               $next
     *
     * @return ResponseInterface
     */
    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next)
    {
        if ($this->autodetect) {
            $this->basePath(Utils\Helpers::joinPath(self::detectBasePath($request), $this->basePath));
        }

        $uri = $request->getUri();
        $path = $this->getPath($uri->getPath());
        $request = $request->withUri($uri->withPath($path));

        $generator = function ($path) {
            return Utils\Helpers::joinPath($this->basePath, $path);
        };

        $request = self::setAttribute($request, self::KEY, $this->basePath);
        $request = self::setAttribute($request, self::KEY_GENERATOR, $generator);

        return $next($request, $response);
    }

    /**
     * Auto-detect the base path from the request environment.
     *
     * Uses a variety of criteria in order to detect the base URL of the request
     * (i.e., anything additional to the document root).
     *
     * This code has been adapted from the Zend implementation:
     * https://github.com/zendframework/zend-http/blob/master/src/PhpEnvironment/Request.php
     *
     * @param ServerRequestInterface $request
     *
     * @return string
     */
    private static function detectBasePath(ServerRequestInterface $request)
    {
        $server = $request->getServerParams();

        $filename = isset($server['SCRIPT_FILENAME']) ? $server['SCRIPT_FILENAME'] : '';
        $scriptName = isset($server['SCRIPT_NAME']) ? $server['SCRIPT_NAME'] : null;
        $phpSelf = isset($server['PHP_SELF']) ? $server['PHP_SELF'] : null;
        $origScriptName = isset($server['ORIG_SCRIPT_NAME']) ? $server['ORIG_SCRIPT_NAME'] : null;

        if ($scriptName !== null && basename($scriptName) === $filename) {
            $baseUrl = $scriptName;
        } elseif ($phpSelf !== null && basename($phpSelf) === $filename) {
            $baseUrl = $phpSelf;
        } elseif ($origScriptName !== null && basename($origScriptName) === $filename) {
            // 1and1 shared hosting compatibility.
            $baseUrl = $origScriptName;
        } else {
            // Backtrack up the SCRIPT_FILENAME to find the portion
            // matching PHP_SELF.
            $baseUrl = '/';
            $basename = basename($filename);

            if ($basename) {
                $path = ($phpSelf ? trim($phpSelf, '/') : '');
                $basePos = strpos($path, $basename) ?: 0;
                $baseUrl .= substr($path, 0, $basePos).$basename;
            }
        }

        // If the baseUrl is empty, then simply return it.
        if (empty($baseUrl)) {
            return '';
        }

        // Does the base URL have anything in common with the request URI?
        $requestUri = $request->getUri()->getPath();

        // Full base URL matches.
        if (0 === strpos($requestUri, $baseUrl)) {
            return $baseUrl;
        }

        // Directory portion of base path matches.
        $baseDir = str_replace('\\', '/', dirname($baseUrl));

        if (0 === strpos($requestUri, $baseDir)) {
            return $baseDir;
        }

        $truncatedRequestUri = $requestUri;

        if (false !== ($pos = strpos($requestUri, '?'))) {
            $truncatedRequestUri = substr($requestUri, 0, $pos);
        }

        $basename = basename($baseUrl);

        // No match whatsoever
        if (empty($basename) || false === strpos($truncatedRequestUri, $basename)) {
            return '';
        }

        // If using mod_rewrite or ISAPI_Rewrite strip the script filename
        // out of the base path. $pos !== 0 makes sure it is not matching a
        // value from PATH_INFO or QUERY_STRING.
        if (strlen($requestUri) >= strlen($baseUrl)
            && (false !== ($pos = strpos($requestUri, $baseUrl)) && $pos !== 0)
        ) {
            $baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl));
        }

        return $baseUrl;
    }
}


1			<?php
2
3			namespace Psr7Middlewares\Middleware;
4
5			use Psr7Middlewares\Utils;
6			use Psr\Http\Message\ServerRequestInterface;
7			use Psr\Http\Message\ResponseInterface;
8
9			/**
10			* Middleware to strip the path prefix.
11			*/
12			class BasePath
13			{
14			const KEY = 'BASE_PATH';
15			const KEY_GENERATOR = 'BASE_PATH_GENERATOR';
16
17			use Utils\BasePathTrait;
18			use Utils\AttributeTrait;
19
20			/**
21			* @var bool
22			*/
23			private $autodetect = false;
24
25			/**
26			* Returns the basePath.
27			*
28			* @param ServerRequestInterface $request
29			*
30			* @return string\|null
31			*/
32			public static function getBasePath(ServerRequestInterface $request)
33			{
34			return self::getAttribute($request, self::KEY);
35			}
36
37			/**
38			* Returns a callable to build a full path.
39			*
40			* @param ServerRequestInterface $request
41			*
42			* @return callable\|null
43			*/
44			public static function getGenerator(ServerRequestInterface $request)
45			{
46			return self::getAttribute($request, self::KEY_GENERATOR);
47			}
48
49			/**
50			* Constructor. Set the path prefix.
51			*
52			* @param string\|null $basePath
53			*/
54			public function __construct($basePath = null)
55			{
56			if ($basePath !== null) {
57			$this->basePath($basePath);
58			}
59			}
60
61			/**
62			* Autodetect the basePath.
63			*
64			* @param bool $autodetect
65			*
66			* @return self
67			*/
68			public function autodetect($autodetect = true)
69			{
70			$this->autodetect = $autodetect;
71
72			return $this;
73			}
74
75			/**
76			* Execute the middleware.
77			*
78			* @param ServerRequestInterface $request
79			* @param ResponseInterface $response
80			* @param callable $next
81			*
82			* @return ResponseInterface
83			*/
84			public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next)
85			{
86			if ($this->autodetect) {
87			$this->basePath(Utils\Helpers::joinPath(self::detectBasePath($request), $this->basePath));
88			}
89
90			$uri = $request->getUri();
91			$path = $this->getPath($uri->getPath());
92			$request = $request->withUri($uri->withPath($path));
93
94			$generator = function ($path) {
95			return Utils\Helpers::joinPath($this->basePath, $path);
96			};
97
98			$request = self::setAttribute($request, self::KEY, $this->basePath);
99			$request = self::setAttribute($request, self::KEY_GENERATOR, $generator);
100
101			return $next($request, $response);
102			}
103
104			/**
105			* Auto-detect the base path from the request environment.
106			*
107			* Uses a variety of criteria in order to detect the base URL of the request
108			* (i.e., anything additional to the document root).
109			*
110			* This code has been adapted from the Zend implementation:
111			* https://github.com/zendframework/zend-http/blob/master/src/PhpEnvironment/Request.php
112			*
113			* @param ServerRequestInterface $request
114			*
115			* @return string
116			*/
117			private static function detectBasePath(ServerRequestInterface $request)
118			{
119			$server = $request->getServerParams();
120
121			$filename = isset($server['SCRIPT_FILENAME']) ? $server['SCRIPT_FILENAME'] : '';
122			$scriptName = isset($server['SCRIPT_NAME']) ? $server['SCRIPT_NAME'] : null;
123			$phpSelf = isset($server['PHP_SELF']) ? $server['PHP_SELF'] : null;
124			$origScriptName = isset($server['ORIG_SCRIPT_NAME']) ? $server['ORIG_SCRIPT_NAME'] : null;
125
126			if ($scriptName !== null && basename($scriptName) === $filename) {
127			$baseUrl = $scriptName;
128			} elseif ($phpSelf !== null && basename($phpSelf) === $filename) {
129			$baseUrl = $phpSelf;
130			} elseif ($origScriptName !== null && basename($origScriptName) === $filename) {
131			// 1and1 shared hosting compatibility.
132			$baseUrl = $origScriptName;
133			} else {
134			// Backtrack up the SCRIPT_FILENAME to find the portion
135			// matching PHP_SELF.
136			$baseUrl = '/';
137			$basename = basename($filename);
138
139			if ($basename) {
140			$path = ($phpSelf ? trim($phpSelf, '/') : '');
141			$basePos = strpos($path, $basename) ?: 0;
142			$baseUrl .= substr($path, 0, $basePos).$basename;
143			}
144			}
145
146			// If the baseUrl is empty, then simply return it.
147			if (empty($baseUrl)) {
148			return '';
149			}
150
151			// Does the base URL have anything in common with the request URI?
152			$requestUri = $request->getUri()->getPath();
153
154			// Full base URL matches.
155			if (0 === strpos($requestUri, $baseUrl)) {
156			return $baseUrl;
157			}
158
159			// Directory portion of base path matches.
160			$baseDir = str_replace('\\', '/', dirname($baseUrl));
161
162			if (0 === strpos($requestUri, $baseDir)) {
163			return $baseDir;
164			}
165
166			$truncatedRequestUri = $requestUri;
167
168			if (false !== ($pos = strpos($requestUri, '?'))) {
169			$truncatedRequestUri = substr($requestUri, 0, $pos);
170			}
171
172			$basename = basename($baseUrl);
173
174			// No match whatsoever
175			if (empty($basename) \|\| false === strpos($truncatedRequestUri, $basename)) {
176			return '';
177			}
178
179			// If using mod_rewrite or ISAPI_Rewrite strip the script filename
180			// out of the base path. $pos !== 0 makes sure it is not matching a
181			// value from PATH_INFO or QUERY_STRING.
182			if (strlen($requestUri) >= strlen($baseUrl)
183			&& (false !== ($pos = strpos($requestUri, $baseUrl)) && $pos !== 0)
184			) {
185			$baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl));
186			}
187
188			return $baseUrl;
189			}
190			}
191

oscarotero / psr7-middlewares

BasePath::__invoke() A last analyzed 2018-01-27 20:45 UTC

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BasePath::__invoke() A
last analyzed 2018-01-27 20:45 UTC